USCF's Rulebook: The Official Rules of Chess, 6th edition (2014)
Official Rules
August 23, 2014
For an unabridged complete copy of the 6th edition of the U. S. Chess Federation’s Official Rules of Chess, edited by Tim Just, which contains: pairing rules, prize fund distribution rules, equipment standards, code of ethics, rating information, correspondence rules, round robin tables, all cross referenced rules and much more please visit the USCF Sales webstore. All tournament directors should have a complete copy of the 6th edition of the rules or a copy of the 5th edition and the update document referred to below with them at all tournaments they are directing.

For a list of updates to the rulebook since the 5th edition was published (in 2003), see Rulebook Changes Since the 5th Edition

Electronic Scoresheet information:
Guidelines for Electronic Scoresheets