Payment Date: 04/25/00


          ------------------------------------------------------------
                   BANK OF AMERICA MORTGAGE SECURITIES, INC.
               MORTGAGE PASS-THROUGH CERTIFICATES, Series 1999-12
                     Bank of America, FSB, 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        165,493,047.39    7.500000%       691,526.62  1,034,331.55    1,725,858.17       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         1,819,441.06    0.000000%         2,259.02          0.00        2,259.02       0.00       0.00
Residual                AR                  0.00    7.500000%             0.00          0.00            0.00       0.00       0.00
- ----------------------------------------------------------------------------------------------------------------------------------
Subordinate             B1          5,834,542.52    7.500000%         4,210.57     36,465.89       40,676.46       0.00       0.00
                        B2          1,683,252.06    7.500000%         1,214.74     10,520.33       11,735.06       0.00       0.00
                        B3          1,010,150.67    7.500000%           728.99      6,313.44        7,042.43       0.00       0.00
                        B4            674,098.57    7.500000%           486.47      4,213.12        4,699.59       0.00       0.00
                        B5            449,731.45    7.500000%           324.55      2,810.82        3,135.38       0.00       0.00
                        B6            449,440.55    7.500000%           324.34      2,809.00        3,133.35       0.00       0.00
- ----------------------------------------------------------------------------------------------------------------------------------
- ----------------------------------------------------------------------------------------------------------------------------------
Totals          -        -        217,590,704.27     -              701,075.31  1,348,570.40    2,049,645.71     -          -
- ----------------------------------------------------------------------------------------------------------------------------------
Class Information

- --------------------------------------------------------------------------------
                                             Ending Cert.          Unpaid
Type             Class Code     Name         Notional Bal.         Interest
- --------------------------------------------------------------------------------
Senior                          A1        164,801,520.77              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         1,817,182.03              0.00
Residual                        AR                  0.00              0.00
- --------------------------------------------------------------------------------
Subordinate                     B1          5,830,331.96              0.00
                                B2          1,682,037.32              0.00
                                B3          1,009,421.68              0.00
                                B4            673,612.10              0.00
                                B5            449,406.89              0.00
                                B6            449,116.21              0.00
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
Totals            -              -        216,889,628.96     -
- --------------------------------------------------------------------------------



                             Payment Date: 04/25/00


          ------------------------------------------------------------
                   BANK OF AMERICA MORTGAGE SECURITIES, INC.
               MORTGAGE PASS-THROUGH CERTIFICATES, Series 1999-12
                     Bank of America, FSB, 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    165,493,047.39     7.500000% 060506KM3     4.000038      5.982945    953.271175
                           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     1,819,441.06     0.000000% 060506KT8     1.236514      0.000000    994.664377
Residual                   AR              0.00     7.500000% 060506KU5     0.000000      0.000000      0.000000
- ------------------------------------------------------------------------------------------------------------------------
Subordinate                B1      5,834,542.52     7.500000% 060506KV3     0.719632      6.232420    996.467605
                           B2      1,683,252.06     7.500000% 060506KW1     0.719632      6.232420    996.467605
                           B3      1,010,150.67     7.500000% 060506KX9     0.719632      6.232420    996.467606
                           B4        674,098.57     7.500000% 060506KY7     0.719632      6.232420    996.467609
                           B5        449,731.45     7.500000% 060506KZ4     0.719632      6.232420    996.467611
                           B6        449,440.55     7.500000% 060506LA8     0.719632      6.232420    996.467597
- ------------------------------------------------------------------------------------------------------------------------
- ------------------------------------------------------------------------------------------------------------------------
Totals       -             -     217,590,704.27       -            -           -             -           -
- ------------------------------------------------------------------------------------------------------------------------
- ------------------------------------------------------------------------------------------------------------------------





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

- --------------------------------------------------------------------------------
                             COLLATERAL INFORMATION
- --------------------------------------------------------------------------------
                                                             Total
                                                             -----
Aggregated stated principal balance  216,889,628.90   216,889,628.90
Aggregated loan count                           596              596
Aggregated average loan rate              7.959116%             7.96
Aggregated prepayment amount             543,829.20       543,829.20

- --------------------------------------------------------------------------------
                                FEES AND ADVANCES
- --------------------------------------------------------------------------------
                                                             Total
                                                             -----
Monthly master servicing fees             92,327.32        92,327.32
Monthly sub servicer fees                      0.00             0.00
Monthly trustee fees                         815.97           815.97


Aggregate advances                              N/A              N/A
Advances this periods                          0.00             0.00

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

                                                             Total
                                                             -----
Net realized losses (this period)              0.00             0.00
Cumulative losses (from Cut-Off)               0.00             0.00

Coverage Amounts                                             Total
- ----------------                                             -----
Bankruptcy                                     0.00             0.00
Fraud                                  4,500,274.76     4,500,274.76
Special Hazard                                 0.00             0.00


                         Aggregate Certificate Information
   -----------------------------------------------------------------------------
   Class            Aggregate           Aggregate                     Aggregate
   Type            Percentage           Prepay Pct.              End Cert. Bal.
   -----------------------------------------------------------------------------
   Senior           95.360894%           100.000000%            207,489,488.45
   -----------------------------------------------------------------------------
   Junior            4.639106%             0.000000%             10,093,926.16
   -----------------------------------------------------------------------------

- --------------------------------------------------------------------------------
                          DELINQUENCY INFORMATION
- --------------------------------------------------------------------------------
Period                             Loan Count    Ending Stated Balance
- ------                             ----------    ---------------------
30 to 59 days                           0                         0.00
60 to 89 days                           0                         0.00
90 or more                              0                         0.00
Foreclosure                             0                         0.00

Totals:                                 0                         0.00
- --------------------------------------------------------------------------------



- --------------------------------------------------------------------------------
                                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            2,049,645.71          2,049,645.71
Principal remittance amount              701,075.31            701,075.31
Interest remittance amount             1,348,570.40          1,348,570.40