With Hoard of the Dragon Queen releasing as the first part of the Tyranny of the Dragons storyline I was wondering what guidelines and rules exist for players looking to create and run characters for organized play.
All of the guidelines for organized play can be found in the Adventurer's League Player's Guide. In general, all of the content from the Basic Rules, Player's Handbook, and Hoard of the Dragon Queen supplement are fair game with a few specific exceptions.
Here is a brief summary of the character generation rules for organized play:
All of the information for organized play can be found on the official D&D Adventurers League website.
Specifically, there is a guide for new players available as a PDF.
The primary changes are: