RELY is a measure to which degree the application must perform its projected function over a certain period of time. Its rating schemes are explicated in the following table.
| RELY Descriptors | slight inconvenience | low, easily recoverable losses | moderate, easily recoverable losses | high financial loss | risk to human life | |
|---|---|---|---|---|---|---|
| Rating Levels | Very Low | Low | Nominal | High | Very High | Extra High |
| Effort Multipliers | 0.82 | 0.92 | 1.00 | 1.10 | 1.26 | n/a |