Auto: 1.3x PSA; cards: 4x PSA; mortgage: PSA per loan-age curve
| source | PSA convention + asset-class history |
| derivation | published_source |
| quality | published |
| set | 2026-05-25 |
| last reviewed | 2026-05-25 |
| next review due | 2026-06-30 |
Used in ABS cash-flow projection; A-MBS-001 covers MBS-specific (parking lot).