Work efficiently with your weekly opponent to schedule your game within the 48 hour window allotted. There are very rare stipulations that can extend past the 48 hours, and it will rarely be approved for more than a few hours late. Both parties must make a sincere effort to arrange the match.
Failure to contact your opponent within 24 hours may limit your eligibility for an extension, and can play into commissioner discretion in sim-to-win decisions.
Failure to post your scheduled game time and if all other games are played, the commissioner may simulate the game.
Scheduling