Procedures for Referees, Assistants and Fourth Officials
The USSF publication Procedures for Referees, Assistants and Fourth
Officials describes the mechanics (process, positioning, signaling
and communication between the members of the referee team) which are the
preferred practice for referees in AYSO.
An
online copy
of the Procedures can be found on the USSF Referee web site as
a downloadable .pdf file.. A hardcopy of this publication can be obtained
at many local AYSO Referee Clinics..