What is the mandatory report date before the first regular season game?

The mandatory report date is crucial for ensuring that all participating players are registered and ready for the upcoming season. The requirement that states this report must occur 47 days prior for games on Thursday or Sunday allows teams sufficient time to address any outstanding issues regarding player status and eligibility.

Additionally, for games happening on Monday, the 48-day prerequisite serves a similar purpose, giving teams the necessary lead time to finalize their rosters after the weekend's events.

As such, both of these timings—47 days for games on Thursday or Sunday and 48 days for Mondays—are important and correct, which validates the choice that acknowledges both these stipulations. This highlights the regulatory framework in the NFL designed to maintain order and readiness among teams as they prepare for the competitive season.