# Revenue Recognition

Revenue Recognition is a Generally Accepted Accounting Principle (GAAP) according to which revenue can only be recognized once a "critical event" has occurred. In the world of SaaS, this usually refers to when products or services outlined in an agreement have actually been delivered.

## Related Content

- [Revenue Operations](/content/glossary/revenue-operations/index.html)
- [Annual Recurring Revenue (ARR)](/content/glossary/annual-recurring-revenue/index.html)
- [Monthly Recurring Revenue (MRR)](/content/glossary/monthly-recurring-revenue-mrr/index.html)