According to PART-FCL, single pilot single-engine class ratings are valid for:
Domanda 313, Air Law - ATPL - Airline Transport Pilot license
| Two years up to age 40 years then one year thereafter. |
| One year |
| Five years after licence issue. |
| Two years |
| Two years up to age 40 years then one year thereafter. |
| One year |
| Five years after licence issue. |
| Two years |
