SECURITIES AND EXCHANGE COMMISSION

                            Washington, D.C. 20549

                                   FORM 8-K

                                CURRENT REPORT

                    Pursuant to Section 13 or 15(d) of the

                        Securities Exchange Act of 1934

        Date of Report (Date of earliest event reported): July 25, 2001

                                      BAMS

                                  (Depositor)

   (Issuer in respect of MORTGAGE PASS-THROUGH CERTIFICATES, Series 1999-12)

                (Exact name of registrant as specified in charter)

North Carolina                33-63714                      13-4078651
(State or other               (Commission File No.)         (I.R.S. Employer
    jurisdiction of                                         Identification No.)
    organization)



100 N. Tryon St., Charlotte, NC                             28255
(Address of principal executive offices)                    (Zip Code)


Registrant's Telephone Number, including area code: (704) 388-5770

                                 Not Applicable
              (Former name, former address and former fiscal year,
                          if changed since last report)




Item 5.  Other Events

                                      BAMS
                       MORTGAGE PASS-THROUGH CERTIFICATES
                                 Series 1999-12

On July 25, 2001, The Bank of New York, as Trustee for BAMS, MORTGAGE
PASS-THROUGH CERTIFICATES Series 1999-12, made a monthly distribution to
Certificate holders of principal and/or interest pursuant to the Pooling and
Servicing Agreement, dated as of November 1, 1999, among BAMS as Depositor, BANK
OF AMERICA MORTGAGE SECURITIES, INC., Seller and Master Servicer and The Bank of
New York, as Trustee.

Item 7.  Financial Statements and Exhibits

                    (c) Exhibits

Exhibit No.                               Description

99                  Report  to  Holders  of  BAMS,  MORTGAGE  PASS-THROUGH
                    CERTIFICATES  Series  1999-12  relating  to the distribution
                    date  of  July 25, 2001 prepared by The Bank of New York, as
                    Trustee  under  the Pooling and Servicing Agreement dated as
                    of November 1, 1999.







                                   SIGNATURES

Pursuant  to the  requirements  of the  Securities  Exchange  Act of  1934,  the
registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned thereunto duly authorized.

Dated: July 25, 2001


                                      BAMS


                          By: /s/ Courtney Bartholomew
                              ------------------------------
                          Name:   Courtney Bartholomew
                                  Vice President
                                  The Bank of New York,
                                  as Trustee







                                 EXHIBIT INDEX



Exhibit



                             Payment Date: 07/25/01


          ------------------------------------------------------------
                   BANK OF AMERICA MORTGAGE SECURITIES, INC.
               MORTGAGE PASS-THROUGH CERTIFICATES, Series 1999-12
                     Bank of America, N.A., Master Servicer
          ------------------------------------------------------------



Class Information                                Current Payment Information

- ----------------------------------------------------------------------------------------------------------------------------------
                                 Beginning       Pass Thru     Principal       Interest      Total          Principal  Interest
Type       Class Code   Name     Cert. Bal.      Rate          Dist. Amt.      Dist. Amt.    Dist.          Losses     Shortfalls
- ----------------------------------------------------------------------------------------------------------------------------------
                                                                                             
Senior                  A1        114,586,404.31    7.500000%     6,792,520.85    716,165.03    7,508,685.88      0.00       0.00
                        A2          3,092,000.00    7.500000%             0.00     19,325.00       19,325.00      0.00       0.00
                        A3          2,542,000.00    7.500000%             0.00     15,887.50       15,887.50      0.00       0.00
                        A4          2,043,000.00    7.500000%             0.00     12,768.75       12,768.75      0.00       0.00
                        A5         10,000,000.00    7.500000%             0.00     62,500.00       62,500.00      0.00       0.00
                        A6         22,500,000.00    7.500000%             0.00    140,625.00      140,625.00      0.00       0.00
                        APO         1,720,665.36    0.000000%        43,934.55          0.00       43,934.55      0.00       0.00
Residual                AR                  0.00    7.500000%             0.00          0.00            0.00      0.00       0.00
- ----------------------------------------------------------------------------------------------------------------------------------
Subordinate             B1          5,765,464.27    7.500000%         5,222.00     36,034.15       41,256.15      0.00       0.00
                        B2          1,663,323.14    7.500000%         1,506.54     10,395.77       11,902.30      0.00       0.00
                        B3            998,190.96    7.500000%           904.10      6,238.69        7,142.79      0.00       0.00
                        B4            666,117.56    7.500000%           603.33      4,163.23        4,766.56      0.00       0.00
                        B5            444,406.84    7.500000%           402.21      2,777.54        3,179.76      0.00       0.00
                        B6            270,030.44    7.500000%             0.00      1,687.69        1,687.69      0.00       0.00
- ----------------------------------------------------------------------------------------------------------------------------------
- ----------------------------------------------------------------------------------------------------------------------------------
Totals          -        -        166,291,602.87     -            6,845,093.58  1,028,568.36    7,873,661.94     -          -
- ----------------------------------------------------------------------------------------------------------------------------------
Class Information

- --------------------------------------------------------------------------------
                                             Ending Cert.          Unpaid
Type             Class Code     Name         Notional Bal.         Interest
- --------------------------------------------------------------------------------
Senior                          A1        107,793,883.45              0.00
                                A2          3,092,000.00              0.00
                                A3          2,542,000.00              0.00
                                A4          2,043,000.00              0.00
                                A5         10,000,000.00              0.00
                                A6         22,500,000.00              0.00
                                APO         1,676,730.81              0.00
Residual                        AR                  0.00              0.00
- --------------------------------------------------------------------------------
Subordinate                     B1          5,760,242.27              0.00
                                B2          1,661,816.60              0.00
                                B3            997,286.86              0.00
                                B4            665,514.23              0.00
                                B5            444,004.62              0.00
                                B6            270,030.44              0.00
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
Totals            -              -        159,446,509.30     -
- --------------------------------------------------------------------------------



                             Payment Date: 07/25/01


          ------------------------------------------------------------
                   BANK OF AMERICA MORTGAGE SECURITIES, INC.
               MORTGAGE PASS-THROUGH CERTIFICATES, Series 1999-12
                     Bank of America, N.A., Master Servicer
          ------------------------------------------------------------



Class Information                                Current Payment Information

                                                      Factors per $1,000

- ------------------------------------------------------------------------------------------------------------------------
                                   Beginning     Pass Thru    CUSIP       Principal     Interest    Ending Cert./
Type        Class Code    Name   Cert. Bal.(Face)  Rate       Numbers       Dist.         Dist.     Notional Bal.
- ------------------------------------------------------------------------------------------------------------------------
                                                                            
- ------------------------------------------------------------------------------------------------------------------------
Senior                     A1    114,586,404.31     7.500000% 060506KM3    39.290380      4.142556    623.518530
                           A2      3,092,000.00     7.500000% 060506KN1     0.000000      6.250000  1,000.000000
                           A3      2,542,000.00     7.500000% 060506KP6     0.000000      6.250000  1,000.000000
                           A4      2,043,000.00     7.500000% 060506KQ4     0.000000      6.250000  1,000.000000
                           A5     10,000,000.00     7.500000% 060506KR2     0.000000      6.250000  1,000.000000
                           A6     22,500,000.00     7.500000% 060506KS0     0.000000      6.250000  1,000.000000
                           APO     1,720,665.36     0.000000% 060506KT8    24.048294      0.000000    917.786101
Residual                   AR              0.00     7.500000% 060506KU5     0.000000      0.000000      0.000000
- ------------------------------------------------------------------------------------------------------------------------
Subordinate                B1      5,765,464.27     7.500000% 060506KV3     0.892497      6.158631    984.488509
                           B2      1,663,323.14     7.500000% 060506KW1     0.892497      6.158631    984.488509
                           B3        998,190.96     7.500000% 060506KX9     0.892497      6.158631    984.488510
                           B4        666,117.56     7.500000% 060506KY7     0.892497      6.158631    984.488513
                           B5        444,406.84     7.500000% 060506KZ4     0.891824      6.158631    984.489188
                           B6        270,030.44     7.500000% 060506LA8     0.000000      3.744529    599.124640
- ------------------------------------------------------------------------------------------------------------------------
- ------------------------------------------------------------------------------------------------------------------------
Totals       -             -     166,291,602.87       -            -           -             -           -
- ------------------------------------------------------------------------------------------------------------------------
- ------------------------------------------------------------------------------------------------------------------------





          ------------------------------------------------------------
                   BANK OF AMERICA MORTGAGE SECURITIES, INC.
               MORTGAGE PASS-THROUGH CERTIFICATES, Series 1999-12
                     Bank of America, N.A., Master Servicer
          ------------------------------------------------------------

- --------------------------------------------------------------------------------
                             COLLATERAL INFORMATION
- --------------------------------------------------------------------------------
                                           Total
                                           -----
Prin balance       159,446,508.96   159,446,508.96
Loan count                    442              442
Avg loan rate           7.911726%             7.91
Prepay amount        6,698,475.27     6,698,475.27

- --------------------------------------------------------------------------------
                                FEES AND ADVANCES
- --------------------------------------------------------------------------------
                                           Total
                                           -----
Master serv fees        43,893.57        43,893.57
Sub servicer fees            0.00             0.00
Trustee fees               623.59           623.59


Agg advances                  N/A              N/A
Adv this period              0.00             0.00

- --------------------------------------------------------------------------------
                          LOSSES & INSURANCE COVERAGES
- --------------------------------------------------------------------------------

                                           Total
                                           -----
Realized losses              0.00             0.00
Cumulative losses      174,481.18       174,481.18

Coverage Amounts                           Total
- ----------------                           -----
Bankruptcy                   0.00             0.00
Fraud                2,250,137.38     2,250,137.38
Special Hazard               0.00             0.00


                         Aggregate Certificate Information
   -----------------------------------------------------------------------------
   Class            Aggregate           Aggregate                     Aggregate
   Type            Percentage           Prepay Pct.              End Cert. Bal.
   -----------------------------------------------------------------------------
   Senior           94.107096%           100.000000%            156,484,069.67
   -----------------------------------------------------------------------------
   Junior            5.892904%             0.000000%              9,798,895.03
   -----------------------------------------------------------------------------

- --------------------------------------------------------------------------------
                          DELINQUENCY INFORMATION
- --------------------------------------------------------------------------------
Period                             Loan Count    Ending Stated Balance
- ------                             ----------    ---------------------
30 to 59 days                           4                 1,405,705.10
60 to 89 days                           0                         0.00
90 or more                              1                   269,728.80
Foreclosure                             3                 1,049,589.31

Totals:                                 8                 2,725,023.21
- --------------------------------------------------------------------------------



- --------------------------------------------------------------------------------
                                REO INFORMATION
- --------------------------------------------------------------------------------
   REO Date        Loan Number     Ending Stated Balance          Book Value
   --------        -----------     ---------------------          ----------
   N/A              #                   0                            N/A
   N/A              #                   0                            N/A
   N/A              #                   0                            N/A
   N/A              #                   0                            N/A
   N/A              #                   0                            N/A
   N/A              #                   0                            N/A
   N/A              #                   0                            N/A
   N/A              #                   0                            N/A
   Totals:                              0                            N/A

Current Total Outstanding Balance:                                      0.00
Current Total Outstanding Number of Loans:                                 0




- --------------------------------------------------------------------------------
                               OTHER INFORMATION
- --------------------------------------------------------------------------------
                                  Amount/Withdrawal     Total/Ending Bal.
                                  -----------------     -----------------
Available remittance amount            7,873,661.94          7,873,661.94
Principal remittance amount            6,845,093.58          6,845,093.58
Interest remittance amount             1,028,568.36          1,028,568.36