Exhibit 20.1


                         MONTHLY SERVICER'S CERTIFICATE
                              First USA Bank, N.A.
                       First NBC Credit Card Master Trust
                                  Series 1997-1

                  For the December 10, 1999 Determination Date

                           For the 28th Monthly Period

The undersigned, a duly authorized representative of First USA Bank, N.A., (the
"Bank"), pursuant to the Pooling and Servicing Agreement (the "Pooling and
Servicing Agreement"), dated as of August 1, 1997 by and between the Bank, as
successor Transferor and Servicer to Bank One Louisiana, N.A. (as successor to
the First National Bank of Commerce ("First NBC")) and The First National Bank
of Chicago, as Trustee, does hereby certify as follows:

     1  Capitalized terms used in this Certificate have their respective
        meanings as set forth in the Pooling and Servicing Agreement; provided,
        that the "preceding Monthly Period" shall mean the Monthly Period
        immediately preceding the calendar month in which this Certificate is
        delivered. This Certificate is delivered pursuant to subsection 3.4(b)
        of the Pooling and Servicing Agreement. References herein to certain
        sections and subsections are references to the respective sections and
        subsections of the Pooling and Servicing Agreement, as amended by the
        applicable Series Supplement.

     2  First USA Bank, N.A. is Servicer under the Pooling and Servicing
        Agreement.

     3  The undersigned is a Servicing Officer.

     4  The date of this Certificate is December 10, 1999, which is a
        Determination Date under the Pooling and Servicing Agreement.

     5  The aggregate amount of Collections processed during the preceding
        Monthly Period [equal to 5(a) plus 5(b)] was $111,783,611

        (a)      The aggregate amount of Collections of Finance Charge
                 Receivables collected during the preceding Monthly Period the
                 Collections of Finance Charge Receivables $12,469,052

        (b)      The aggregate amount of Collections of Principal Receivables
                 collected during the preceding Monthly Period the Collections
                 of Principal Receivables was $99,314,560

     6  The aggregate amount of Receivables as of the end of the last day of the
        preceding Monthly Period was $870,018,682

     7  Included is an authentic copy of the statements required to be delivered
        by the Servicer on the date of this Certificate to the Paying Agent
        pursuant to Article V.

     8  To the knowledge of the undersigned, there are no liens on any
        Receivables in the Trust except as described below:

        None.

     9  The amount, if any, by which the sum of the balance of the Excess
        Funding Account and the Aggregate Principal Receivables exceeds the
        Minimum Aggregate Principal Receivables required to be maintained
        pursuant to the Pooling and Servicing Agreement, is equal to
        $155,878,233

    10  The amount, if any, of the withdrawal of the Specified Deposit from the
        Finance Charge Account required to be made by the Trustee pursuant to
        subsection 4.3(a) of the Pooling and Servicing Agreement on the related
        Transfer Date is $0.00



 Monthly Servicer's Certificate
 Page 2 (all amounts in dollars except percentages)

    11  Monthly Period Trust Activity


   (a)  Trust Activity                                                       Total Trust
        ================================================                     ============
                                                                           
        Beginning Aggregate Principal Receivables                             849,781,869
        Beginning Excess Funding Account Balance                                        0
        Beginning Total Principal Balance                                     849,781,869
        Collections of Finance Charge Receivables                              12,469,052
        Discount Percentage                                                             0
        Discount Option Receivables Collections                                         0
        Net Recoveries                                                                  0
        Total Collections of Finance Charge Receivables                        12,469,052
        Total Collections of Principal Receivables                             99,314,560
        Net Default Amount                                                      2,717,828
        Minimum Aggregate Principal Receivables Balance                       700,000,000
        Ending Aggregate Principal Receivables                                855,878,233
        Ending Excess Funding Account Balance                                           0
        Ending Total Principal Balance                                        855,878,233




   (b)  Series Allocations                                                   Series 1997-1    Series 1998-1         All Series
        ================================================                     ==================================================
                                                                                                           
        Group Number                                                                    1                2
        Investor Interest                                                     300,000,000      400,000,000          700,000,000
        Adjusted Investor Interest                                            300,000,000      400,000,000          700,000,000
        Principal Funding Account Balance                                               0                0                    0
        Minimum Transferor Interest                                                                                  59,911,476




   (c)  Group I Allocations                                                   Series 1997-1    Total Group I
        ================================================                      ==============================
                                                                                           
        Investor Finance Charge Collections                                     4,401,971        4,401,971

        Investor Monthly Interest                                               1,538,563        1,538,563
        Investor Monthly Fees (Servicing Fee)                                     375,000          375,000
        Investor Default Amounts                                                  959,480          959,480
        Investor Additional Amounts                                                     0                0
        Total                                                                   2,873,042        2,873,042

        Reallocated Investor Finance Charge Collections                         4,401,971        4,401,971
        Available Excess                                                        1,528,929        1,528,929


    12  Series 1997-1 Certificates


                                                                             Series 1997-1       All Other         Transferor's
   (a)  Investor/Transferor Allocations                      Trust              Interest          Series            Interest
        ========================================================================================================================
                                                                                                        
        Beginning Investor/Transferor Amounts            849,781,869          300,000,000      400,000,000          149,781,869
        Beginning Adjusted Investor Interest             849,781,869          300,000,000      400,000,000
        Floating Investor Percentage                       100.00000%           35.303177%       47.070903%
        Fixed Investor Percentage                            0.00000%             0.00000%         0.00000%
        Collections of Finance Chg. Receivables           12,469,052            4,401,971        5,869,295
        Collections of Principal Receivables              99,314,560           35,061,195       46,748,260
        Net Default Amount                                 2,717,828              959,480        1,279,306

        Ending Investor/Transferor Amounts               855,878,233          300,000,000      400,000,000          155,878,233




 Monthly Servicer's Certificate
 Page 3 (all amounts in dollars except percentages)



                                                                                                 Collateral
   (b)  Monthly Period Funding Requirements                Class A              Class B           Interest             Total
        ========================================================================================================================
                                                                                                        
        Principal Funding Account                                  0                    0                0                    0
        Principal Funding Investment Proceeds                      0                    0                0                    0
        Withdrawal from Reserve Account                            0                    0                0                    0
        Available Reserve Account Amount                           0                    0                0                    0
        Required Reserve Account Amount                            0                    0                0                    0

        Coupon                                               6.15000%             6.35000%         6.00000%             6.15425%
        Floating Investor Percentage                        30.53725%             2.47122%         2.29471%            35.30318%
        Fixed Investor Percentage                                  0                    0                0                    0
        Investor Monthly Interest                          1,329,938              111,125           97,500            1,538,563
        Overdue Monthly Interest                                   0                    0                0                    0
        Additional Interest                                        0                    0                0                    0
                Total Interest Due                         1,329,938              111,125           97,500            1,538,563
        Investor Default Amounts                             829,950               67,164           62,366              959,480
        Investor Monthly Fees                                324,375               26,250           24,375              375,000
        Investor Additional Amounts                                0                    0                0                    0
                Total Due                                  2,484,262              204,539          184,241            2,873,042




                                                                                                 Collateral
   (c)  Certificates - Balances and Distributions          Class A              Class B           Interest             Total
        ========================================================================================================================
                                                                                                       
        Beginning Investor Interest                      259,500,000           21,000,000       19,500,000          300,000,000
        Monthly Principal-Prin. Funding Account                    0                    0                0                    0
        Principal Payments                                         0                    0                0                    0
        Interest Payments                                  1,329,938              111,125           97,500            1,538,563
        Total Payments                                     1,329,938              111,125           97,500            1,538,563
        Ending Investor Interest                         259,500,000           21,000,000       19,500,000          300,000,000



                                                                                                                
   (d)  Information regarding Payments in respect of the Class A Certificates
        (per $1,000 original certificate principal amount)
        1.  Total Payment                                                                                              5.125000
        2.  Amount of Payment in respect of Class A Monthly Interest                                                   5.125000
        3.  Amount of Payment in respect of Class A Overdue Monthly Interest                                                  0
        4.  Amount of Payment in respect of Class A Additional Interest                                                       0
        5.  Amount of Payment in respect of Class A Principal                                                                 0

   (e)  Class A Investor Charge-Offs/Reimbursement of Class A Investor Charge-Offs
        1.  Total amount of Class A Investor Charge-Offs                                                                      0
        2.  Amount of Class A Investor Charge-Offs per $1,000 original certificate principal amount                           0
        3.  Total amount reimbursed in respect of Class A Investor Charge-Offs                                                0
        4.  Amount reimbursed in respect of Class A Investor Charge-Offs per $1,000 original
            principal amount                                                                                                  0
        5.  The amount, if any, by which the outstanding Principal Balance of the Class A
            Certificates exceeds the Class A Adjusted Investor Interest after giving effect to all
            transactions on such Distribution Date                                                                            0

   (f)  Information regarding Payments in respect of the Class B Certificates
        (per $1,000 original certificate principal amount)
        1.  Total Payment                                                                                              5.291667
        2.  Amount of Payment in respect of Class B Monthly Interest                                                   5.291667
        3.  Amount of Payment in respect of Class B Overdue Monthly Interest                                                  0
        4.  Amount of Payment in respect of Class B Additional Interest                                                       0
        5.  Amount of Payment in respect of Class B Principal                                                                 0




 Monthly Servicer's Certificate
 Page 4 (all amounts in dollars except percentages)


                                                                                                                
   (g)  Amount of reductions in Class B Investor Interest pursuant to clauses
        (c), (d) and (e) of the definition of Class B Investor Interest
        1.  Amount of reductions in Class B Investor Interest                                                                 0
        2.  Amount of reductions in Class B Investor Interest per $1,000 original certificate
            principal amount                                                                                                  0
        3.  Total amount reimbursed in respect of reductions of Class B Investor Interest                                     0
        4.  Amount reimbursed in respect of reductions of Class B Investor Interest per
            $1,000 original certificate principal amount                                                                      0
        5.  The amount, if any, by which the outstanding Principal Balance of the Class B
            Certificates exceeds the Class B Investor Interest after giving effect to all
            transactions on such Distribution Date                                                                            0

   (h)  Information regarding Distribution in respect of the Collateral Interest
        1.  Total distribution                                                                                         5.000000
        2.  Amount of distribution in respect of Collateral Monthly Interest                                           5.000000
        3.  Amount of distribution in respect of Collateral Overdue Interest                                                  0
        4.  Amount of distribution in respect of Collateral Monthly Principal                                                 0

   (i)  Amount of reductions in Collateral Interest pursuant to clauses (c), (d)
        and (e) of the definition of Collateral Interest
        1.  Amount of reductions in Collateral Interest                                                                       0
        2.  Total amount reimbursed in respect of reductions of Collateral Interest                                           0

   (j)  Application of Reallocated Investor Finance Charge Collections
        1.  Class A Available Funds                                                                                   3,807,705

            a.  Class A Monthly Interest                                                                              1,329,938
            b.  Class A Overdue Monthly Interest                                                                              0
            c.  Class A Additional Interest                                                                                   0
            d.  Class A Servicing Fee                                                                                   324,375
            e.  Class A Investor Default Amount                                                                         829,950

            f.  Excess Spread                                                                                         1,323,443

        2.  Class B Available Funds                                                                                     308,138

            a.  Class B Monthly Interest                                                                                111,125
            b.  Class B Overdue Monthly Interest                                                                              0
            c.  Class B Additional Interest                                                                                   0
            d.  Class B Servicing Fee                                                                                    26,250

            e.  Excess Spread                                                                                           170,763

        3.  Collateral Holder Available Funds                                                                           286,128

            a.  Excess Spread                                                                                           286,128

        4.  Total Excess Spread                                                                                       1,780,334




 Monthly Servicer's Certificate
 Page 5 (all amounts in dollars except percentages)


                                                                                                                
    (k) Application of Excess Spread and Excess Finance Charge Collections Allocated to Series 1997-1
         1. Beginning Excess Spread                                                                                   1,780,334
         2. Excess Finance Charge Collections                                                                                 0
         3. Applied to fund Class A Required Amount                                                                           0
         4. Unreimbursed Class A Investor Charge-Offs                                                                         0
         5. Applied to fund Class B Required Amount                                                                      67,164
         6. Reductions of Class B Investor Interest treated as Available Principal Collections                                0
         7. Applied to Collateral Monthly Interest and unpaid Collateral Monthly Interest                                97,500
         8. Applied to Collateral Interest Servicing Fee and any overdue Collateral Interest Servicing Fee               24,375
         9. Collateral Investor Default Amount treated as Available Principal Collections                                62,366
        10. Reductions of Collateral Interest treated as Available Principal Collections                                      0
        11. Deposit to Reserve Account (if required)                                                                          0
        12. Applied to other amounts owed to Collateral Interest Holder                                                       0
        13. Balance to constitute Excess Finance Charge Collections for other series                                  1,528,929

    13  Trust Performance
   (a)  Delinquencies
        1.  30-59 days                                                                                               13,103,960
        2.  60-89 days                                                                                                7,844,801
        3.  90 days and over                                                                                         14,774,577
        4.  Total 30+ days delinquent                                                                                35,723,338

   (b)  Base Rate
            a.  Current Monthly Period                                                                                  8.15425%
            b.  Prior Monthly Period                                                                                    8.16767%
            c.  Second Prior Monthly Period                                                                             8.15295%
   (c)  Three Month Average Base Rate                                                                                   8.15829%

   (d)  Portfolio Yield (gross portfolio yield less net defaults)
            a.  Current Monthly Period                                                                                 13.76997%
            b.  Prior Monthly Period                                                                                   15.55304%
            c.  Second Prior Monthly Period                                                                            13.33379%
   (e)  Three Month Average Portfolio Yield                                                                            14.21893%

   (f)  Excess Spread Percentage
            a.  Current Monthly Period                                                                                  6.11572%
            b.  Prior Monthly Period                                                                                    7.88537%
            c.  Second Prior Monthly Period                                                                             5.68084%
   (g)  Three Month Average Excess Spread Percentage                                                                    6.56064%

   (h)  Monthly Payment Rate (total collections/beginning aggregate principal receivables)                             13.15439%

   (i)  Portfolio Adjusted Yield                                                                                        5.61572%


        IN WITNESS WHEREOF, the undersigned has duly executed and delivered this
        certificate this 10th day of December

                                          First USA Bank, N.A., as Servicer

                                          By: /s/ Tracie Klein
                                          -------------------------------------
                                          Name:   Tracie Klein
                                          Title:  First Vice President