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): September 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 September 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 September 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: September 25, 2001


                                      BAMS


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







                                 EXHIBIT INDEX



Exhibit



                             Payment Date: 09/25/01


          ------------------------------------------------------------
                   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         98,816,978.93    7.500000%     7,325,272.41    617,606.12    7,942,878.53       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         1,649,958.96    0.000000%        46,052.86          0.00       46,052.86       0.00       0.00
Residual                AR                  0.00    7.500000%             0.00          0.00            0.00       0.00       0.00
----------------------------------------------------------------------------------------------------------------------------------
Subordinate             B1          5,755,157.60    7.500000%         5,219.54     35,969.74       41,189.28       0.00       0.00
                        B2          1,660,349.69    7.500000%         1,505.83     10,377.19       11,883.01       0.00       0.00
                        B3            996,406.54    7.500000%           903.67      6,227.54        7,131.21       0.00       0.00
                        B4            664,926.77    7.500000%           603.04      4,155.79        4,758.84       0.00       0.00
                        B5            443,612.69    7.500000%           402.33      2,772.58        3,174.91       0.00       0.00
                        B6            270,030.11    7.500000%             0.01      1,687.69        1,687.70       0.00       0.00
----------------------------------------------------------------------------------------------------------------------------------
----------------------------------------------------------------------------------------------------------------------------------
Totals          -        -        150,434,421.31     -            7,379,959.69    929,902.89    8,309,862.58     -          -
----------------------------------------------------------------------------------------------------------------------------------
Class Information

--------------------------------------------------------------------------------
                                             Ending Cert.          Unpaid
Type             Class Code     Name         Notional Bal.         Interest
--------------------------------------------------------------------------------
Senior                          A1         91,491,706.52              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         1,603,906.10              0.00
Residual                        AR                  0.00              0.00
--------------------------------------------------------------------------------
Subordinate                     B1          5,749,938.06              0.00
                                B2          1,658,843.87              0.00
                                B3            995,502.87              0.00
                                B4            664,323.73              0.00
                                B5            443,210.37              0.00
                                B6            270,030.11              0.00
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
Totals            -              -        143,054,461.62     -
--------------------------------------------------------------------------------



                             Payment Date: 09/25/01


          ------------------------------------------------------------
                   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     98,816,978.93     7.500000% 060506KM3    42.372006      3.572456    529.220885
                           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     1,649,958.96     0.000000% 060506KT8    25.207789      0.000000    877.924298
Residual                   AR              0.00     7.500000% 060506KU5     0.000000      0.000000      0.000000
------------------------------------------------------------------------------------------------------------------------
Subordinate                B1      5,755,157.60     7.500000% 060506KV3     0.892077      6.147622    982.727408
                           B2      1,660,349.69     7.500000% 060506KW1     0.892077      6.147622    982.727408
                           B3        996,406.54     7.500000% 060506KX9     0.892077      6.147622    982.727409
                           B4        664,926.77     7.500000% 060506KY7     0.892077      6.147622    982.727412
                           B5        443,612.69     7.500000% 060506KZ4     0.892077      6.147626    982.728086
                           B6        270,030.11     7.500000% 060506LA8     0.000015      3.744524    599.123899
------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------
Totals       -             -     150,434,421.31       -            -           -             -           -
------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------





          ------------------------------------------------------------
                   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       143,054,461.62   143,054,461.62
Loan count                    396              396
Avg loan rate           7.893092%             7.89
Prepay amount        7,247,109.21     7,247,109.21

--------------------------------------------------------------------------------
                                FEES AND ADVANCES
--------------------------------------------------------------------------------
                                           Total
                                           -----
Master serv fees        44,576.05        44,576.05
Sub servicer fees            0.00             0.00
Trustee fees               564.13           564.13


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           93.497226%           100.000000%            140,643,937.89
   -----------------------------------------------------------------------------
   Junior            6.502774%             0.000000%              9,781,849.00
   -----------------------------------------------------------------------------

--------------------------------------------------------------------------------
                          DELINQUENCY INFORMATION
--------------------------------------------------------------------------------
Period                             Loan Count    Ending Stated Balance
------                             ----------    ---------------------
30 to 59 days                           5                 1,568,984.82
60 to 89 days                           0                         0.00
90 or more                              0                         0.00
Foreclosure                             1                   277,703.96

Totals:                                 6                 1,846,688.78
--------------------------------------------------------------------------------



--------------------------------------------------------------------------------
                                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            8,309,862.58          8,309,862.58
Principal remittance amount            7,379,959.69          7,379,959.69
Interest remittance amount               929,902.89            929,902.89