J.P. MORGAN ACCEPTANCE CORPORATION II ABS-15G
Exhibit 99.12

Loan Level Tape Compare Upload
| Loan Number | Loan Number | Borrower Last Name | Field Name | Tape Data | Reviewer Data |
| 304732554 | XXXXXX | XXXXXX | DTI (Back) | 47.0630 | 50.2432 |
| 304732554 | XXXXXX | XXXXXX | Income (Calculated) | 37612.5900 | 36280.32 |
| 304732554 | XXXXXX | XXXXXX | Months PITI Reserves | 6.0000 | 12.67 |
| 305062229 | XXXXXX | XXXXXX | Cash Reserves | 4435.1600 | 1113.43 |
| 305062063 | XXXXXX | XXXXXX | Months PITI Reserves | 0.0000 | 6.05 |
| 305062047 | XXXXXX | XXXXXX | Cash Reserves | 70281.8100 | 58108.37 |
| 305062047 | XXXXXX | XXXXXX | DTI (Back) | 29.5940 | 14.8357 |
| 305062047 | XXXXXX | XXXXXX | Income (Calculated) | 21551.2000 | 44156.08 |
| 305061909 | XXXXXX | XXXXXX | Loan Doc Type | Alt Doc/Bank Statements | DSCR |
| 305061891 | XXXXXX | XXXXXX | Product Type | 30 Yr Fixed | 30 yr Fixed - 10 yr IO |
| 305061860 | XXXXXX | XXXXXX | Months PITI Reserves | 0.0000 | 11.37 |
| 305061851 | XXXXXX | XXXXXX | Cash Reserves | 43846.4700 | 34565.95 |
| 305061851 | XXXXXX | XXXXXX | DTI (Back) | 41.0310 | 49.469 |