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): February 25, 2003

                                      BOA

                                  (Depositor)

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

                (Exact name of registrant as specified in charter)

North Carolina                333-67267-11                  13-4094909
(State or other               (Commission File No.)         (I.R.S. Employer
    jurisdiction of                                         Identification No.)
    organization)



101 Barclay St.  8W, New York, NY                           10286
(Address of principal executive offices)                    (Zip Code)


Registrant's Telephone Number, including area code: 212-815-6140

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




Item 5.  Other Events

                                      BOA
                       MORTGAGE PASS-THROUGH CERTIFICATES
                              Series 1999-12 Trust

On February 25, 2003, The Bank of New York, as Trustee for BOA, MORTGAGE
PASS-THROUGH CERTIFICATES Series 1999-12 Trust, 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 BOA 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 BOA, MORTGAGE PASS-THROUGH CERTIFICATES
                    Series  1999-12  Trust  relating to the distribution date of
                    February  25,  2003  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: February 25, 2003


                                      BOA


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







                                 EXHIBIT INDEX



Exhibit


99                  Monthly Remittance Statement dated February 25, 2003


                             Payment Date: 02/25/03


          ------------------------------------------------------------
                   BANK OF AMERICA MORTGAGE SECURITIES, INC.
            MORTGAGE PASS-THROUGH CERTIFICATES, Series 1999-12 Trust
                        Bank of America, N.A., 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                  0.00    7.500000%             0.00          0.00            0.00       0.00       0.00
                        A2                  0.00    7.500000%             0.00          0.00            0.00       0.00       0.00
                        A3                  0.00    7.500000%             0.00          0.00            0.00       0.00       0.00
                        A4                  0.00    7.500000%             0.00          0.00            0.00       0.00       0.00
                        A5          5,781,282.25    7.500000%     5,781,282.25     31,650.17    5,812,932.42       0.00   4,482.84
                        A6         22,500,000.00    7.500000%     1,197,650.27    123,178.37    1,320,828.64       0.00  17,446.63
                        APO           664,573.17    0.000000%       123,060.22          0.00      123,060.22       0.00       0.00
Residual                AR                  0.00    7.500000%             0.00          0.00            0.00       0.00       0.00
- ----------------------------------------------------------------------------------------------------------------------------------
Subordinate             B1          5,660,900.59    7.500000%         6,114.86     30,991.13       37,106.00       0.00   4,389.50
                        B2          1,633,156.76    7.500000%         1,764.12      8,940.87       10,704.99       0.00   1,266.36
                        B3            980,087.56    7.500000%         1,058.68      5,365.58        6,424.26       0.00     759.97
                        B4            654,036.71    7.500000%           706.49      3,580.59        4,287.07       0.00     507.14
                        B5            436,347.28    7.500000%           471.34      2,388.82        2,860.16       0.00     338.35
                        B6            266,073.69    7.500000%           287.41      1,456.65        1,744.06       0.00     206.32
- ----------------------------------------------------------------------------------------------------------------------------------
- ----------------------------------------------------------------------------------------------------------------------------------
Totals          -        -         38,576,458.00     -            7,112,395.65    207,552.18    7,319,947.83     -       29,397.10
- ----------------------------------------------------------------------------------------------------------------------------------
Class Information

- --------------------------------------------------------------------------------
                                             Ending Cert.          Unpaid
Type             Class Code     Name         Notional Bal.         Interest
- --------------------------------------------------------------------------------
Senior                          A1                  0.00              0.00
                                A2                  0.00              0.00
                                A3                  0.00              0.00
                                A4                  0.00              0.00
                                A5                  0.00          4,482.84
                                A6         21,302,349.73         17,446.63
                                APO           541,512.94              0.00
Residual                        AR                  0.00              0.00
- --------------------------------------------------------------------------------
Subordinate                     B1          5,654,785.72          4,389.50
                                B2          1,631,392.63          1,266.36
                                B3            979,028.87            759.97
                                B4            653,330.23            507.14
                                B5            435,875.94            338.35
                                B6            265,786.28            206.32
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
Totals            -              -         31,464,062.35         29,397.10
- --------------------------------------------------------------------------------



                             Payment Date: 02/25/03


          ------------------------------------------------------------
                   BANK OF AMERICA MORTGAGE SECURITIES, INC.
            MORTGAGE PASS-THROUGH CERTIFICATES, Series 1999-12 Trust
                        Bank of America, N.A., 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              0.00     7.500000% 060506KM3     0.000000      0.000000      0.000000
                           A2              0.00     7.500000% 060506KN1     0.000000      0.000000      0.000000
                           A3              0.00     7.500000% 060506KP6     0.000000      0.000000      0.000000
                           A4              0.00     7.500000% 060506KQ4     0.000000      0.000000      0.000000
                           A5      5,781,282.25     7.500000% 060506KR2   578.128225      3.165017      0.000000
                           A6     22,500,000.00     7.500000% 060506KS0    53.228901      5.474594    946.771099
                           APO       664,573.17     0.000000% 060506KT8    67.359031      0.000000    296.405988
Residual                   AR              0.00     7.500000% 060506KU5     0.000000      0.000000      0.000000
- ------------------------------------------------------------------------------------------------------------------------
Subordinate                B1      5,660,900.59     7.500000% 060506KV3     1.045097      5.296724    966.464831
                           B2      1,633,156.76     7.500000% 060506KW1     1.045097      5.296724    966.464831
                           B3        980,087.56     7.500000% 060506KX9     1.045097      5.296724    966.464832
                           B4        654,036.71     7.500000% 060506KY7     1.045097      5.296724    966.464835
                           B5        436,347.28     7.500000% 060506KZ4     1.045098      5.296728    966.465498
                           B6        266,073.69     7.500000% 060506LA8     0.637687      3.231903    589.707985
- ------------------------------------------------------------------------------------------------------------------------
- ------------------------------------------------------------------------------------------------------------------------
Totals       -             -      38,576,458.00       -            -           -             -           -
- ------------------------------------------------------------------------------------------------------------------------
- ------------------------------------------------------------------------------------------------------------------------





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

- --------------------------------------------------------------------------------
                             COLLATERAL INFORMATION
- --------------------------------------------------------------------------------

                                           Total
                                           -----
Prin balance        31,464,062.46    31,464,062.46
Loan count                     90               90
Avg loan rate           7.829212%             7.83
Prepay amount        7,070,666.53     7,070,666.53

- --------------------------------------------------------------------------------
                                FEES AND ADVANCES
- --------------------------------------------------------------------------------

                                           Total
                                           -----
Master serv fees             0.00             0.00
Sub servicer fees            0.00             0.00
Trustee fees               144.66           144.66


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      174,498.99       174,498.99

Coverage Amounts                           Total
- ----------------                           -----
Bankruptcy                   0.00             0.00
Fraud                2,250,137.38     2,250,137.38
Special Hazard       1,493,295.78     1,493,295.78


                         Aggregate Certificate Information
   -----------------------------------------------------------------------------
   Class            Aggregate           Aggregate                     Aggregate
   Type            Percentage           Prepay Pct.              End Cert. Bal.
   -----------------------------------------------------------------------------
   Senior           75.055266%           100.000000%             28,945,855.41
   -----------------------------------------------------------------------------
   Junior           24.944734%             0.000000%              9,620,199.68
   -----------------------------------------------------------------------------

- --------------------------------------------------------------------------------
                          DELINQUENCY INFORMATION
- --------------------------------------------------------------------------------
Period                             Loan Count    Ending Stated Balance
- ------                             ----------    ---------------------
30 to 59 days                           3                   853,875.92
60 to 89 days                           0                         0.00
90 or more                              1                   465,078.16
Foreclosure                             2                   527,864.40

Totals:                                 6                 1,846,818.48
- --------------------------------------------------------------------------------



- --------------------------------------------------------------------------------
                                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            7,319,947.83          7,319,947.83
Principal remittance amount            7,112,395.65          7,112,395.65
Interest remittance amount               207,552.18            207,552.18