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): May 25, 2003

                   BANK OF AMERICA MORTGAGE SECURITIES, INC.

                                  (Depositor)

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



101 N. Tryon St.                                            28255
(Address of principal executive offices)                    (Zip Code)


Registrant's Telephone Number, including area code: 704-387-2111

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




Item 5.  Other Events

                   BANK OF AMERICA MORTGAGE SECURITIES, INC.
                       MORTGAGE PASS-THROUGH CERTIFICATES
                              Series 1999-12 Trust

On May 25, 2003, The Bank of New York, as Trustee for MORTGAGE PASS-THROUGH
CERTIFICATES made a monthly distribution of principal and/or interest to the
Holders of the Series 1999-12 Trust. The monthly distributions were made
pursuant to the terms of the Pooling and Servicing Agreement (the "Pooling and
Servicing Agreement") dated as of November 1, 1999 by and among BANK OF AMERICA
MORTGAGE SECURITIES, INC. as Depositor, EquiCredit Corporation of America, as
Transferor and Initial Servicer, Bank of America, N.A., as Advancing Party,
Fairbanks Capital Corp., as Expected Successor Servicer and The Bank of New
York, as Trustee.

All capitalized terms used, but not defined herein, shall have the meanings
assigned to them in the Pooling and Servicing Agreement.

Item 7.  Financial Statements and Exhibits

                    (c) Exhibits

Exhibit No.                               Description

99                  Report  to  Holders  of Series 1999-12 Trust relating to the
                    Distribution  Date  of  May 25, 2003 prepared by the Trustee
                    pursuant  to  the  terms  of  the  Pooling  and  Servicing
                    Agreement.







                                   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: May 25, 2003


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







                                 EXHIBIT INDEX



Exhibit


99                  Report  to  Holders  of Series 1999-12 Trust relating to the
                    Distribution  Date  of  May 25, 2003 prepared by the Trustee
                    pursuant  to  the  terms  of  the  Pooling  and  Servicing
                    Agreement.


99                  Monthly Remittance Statement dated May 25, 2003


                             Payment Date: 05/25/03


          ------------------------------------------------------------
                       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                  0.00    7.500000%             0.00          0.00            0.00       0.00       0.00
                        A6         14,232,445.59    7.500000%     1,701,827.62     88,952.78    1,790,780.40       0.00       0.00
                        APO           413,559.65    0.000000%       119,889.26          0.00      119,889.26       0.00       0.00
Residual                AR                  0.00    7.500000%             0.00          0.00            0.00       0.00       0.00
- ----------------------------------------------------------------------------------------------------------------------------------
Subordinate             B1          5,642,762.11    7.500000%         5,801.16     35,267.26       41,068.42       0.00       0.00
                        B2          1,627,923.85    7.500000%         1,673.62     10,174.52       11,848.15       0.00       0.00
                        B3            976,947.19    7.500000%         1,004.37      6,105.92        7,110.29       0.00       0.00
                        B4            651,941.07    7.500000%           670.24      4,074.63        4,744.87       0.00       0.00
                        B5            434,949.15    7.500000%           447.16      2,718.43        3,165.59       0.00       0.00
                        B6            265,221.14    7.500000%           272.67      1,657.63        1,930.30       0.00       0.00
- ----------------------------------------------------------------------------------------------------------------------------------
- ----------------------------------------------------------------------------------------------------------------------------------
Totals          -        -         24,245,749.76     -            1,831,586.09    148,951.19    1,980,537.28     -          -
- ----------------------------------------------------------------------------------------------------------------------------------
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              0.00
                                A6         12,530,617.98              0.00
                                APO           293,670.40              0.00
Residual                        AR                  0.00              0.00
- --------------------------------------------------------------------------------
Subordinate                     B1          5,636,960.95              0.00
                                B2          1,626,250.23              0.00
                                B3            975,942.82              0.00
                                B4            651,270.83              0.00
                                B5            434,501.99              0.00
                                B6            264,948.48              0.00
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
Totals            -              -         22,414,163.67     -
- --------------------------------------------------------------------------------



                             Payment Date: 05/25/03


          ------------------------------------------------------------
                       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              0.00     7.500000% 060506KR2     0.000000      0.000000      0.000000
                           A6     14,232,445.59     7.500000% 060506KS0    75.636783      3.953457    556.916355
                           APO       413,559.65     0.000000% 060506KT8    65.623350      0.000000    160.745307
Residual                   AR              0.00     7.500000% 060506KU5     0.000000      0.000000      0.000000
- ------------------------------------------------------------------------------------------------------------------------
Subordinate                B1      5,642,762.11     7.500000% 060506KV3     0.991482      6.027562    963.418381
                           B2      1,627,923.85     7.500000% 060506KW1     0.991482      6.027562    963.418382
                           B3        976,947.19     7.500000% 060506KX9     0.991482      6.027562    963.418382
                           B4        651,941.07     7.500000% 060506KY7     0.991482      6.027562    963.418385
                           B5        434,949.15     7.500000% 060506KZ4     0.991482      6.027566    963.419046
                           B6        265,221.14     7.500000% 060506LA8     0.604973      3.677838    587.849133
- ------------------------------------------------------------------------------------------------------------------------
- ------------------------------------------------------------------------------------------------------------------------
Totals       -             -      24,245,749.76       -            -           -             -           -
- ------------------------------------------------------------------------------------------------------------------------
- ------------------------------------------------------------------------------------------------------------------------





          ------------------------------------------------------------
                       MORTGAGE PASS-THROUGH CERTIFICATES
                              Series 1999-12 Trust
                        Bank of America, N.A., Servicer
          ------------------------------------------------------------

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

                                           Total
                                           -----
Prin balance        22,414,163.78    22,414,163.78
Loan count                     65               65
Avg loan rate           7.836458%             7.84
Prepay amount        1,806,593.59     1,806,593.59

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

                                           Total
                                           -----
Master serv fees         6,419.09         6,419.09
Sub servicer fees            0.00             0.00
Trustee fees                90.92            90.92


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       1,488,885.14     1,488,885.14


                         Aggregate Certificate Information
   -----------------------------------------------------------------------------
   Class            Aggregate           Aggregate                     Aggregate
   Type            Percentage           Prepay Pct.              End Cert. Bal.
   -----------------------------------------------------------------------------
   Senior           60.431084%           100.000000%             14,646,005.25
   -----------------------------------------------------------------------------
   Junior           39.568916%             0.000000%              9,589,875.29
   -----------------------------------------------------------------------------

- --------------------------------------------------------------------------------
                          DELINQUENCY INFORMATION
- --------------------------------------------------------------------------------
Period                             Loan Count    Ending Stated Balance
- ------                             ----------    ---------------------
30 to 59 days                           2                   544,444.19
60 to 89 days                           2                   557,033.78
90 or more                              1                   546,042.77
Foreclosure                             2                   527,864.40

Totals:                                 7                 2,175,385.14
- --------------------------------------------------------------------------------



- --------------------------------------------------------------------------------
                                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            1,980,537.28          1,980,537.28
Principal remittance amount            1,831,586.09          1,831,586.09
Interest remittance amount               148,951.19            148,951.19