The Laws of the Game are set by the International Football Association Board (IFAB), which in turn guide the FA Council to set and The Rules and Regulations of The Football Association.
The aim is to establish an efficient and fair regulatory structure for grassroots football and they cover matters ranging from the affiliation of clubs and associations, to misconduct, financial dealings and arbitration...
Standard Code of Rules (listed in the documents section below)
If you read nothing else make sure you read the Standard Code of Rules/Standard Code of Rules (Youth Competitions). These rules have been adopted by all leagues and competitions delivering football in Manchester and it is these rules that enable Manchester FA to sanction the individual competitions and make sure there is a consistent approach wherever you play in Manchester.