Reference information...

1) West Sutton little league rules - including our specific league rules on match lengths, minimum player numbers, substitutions and promotions. 

2) FA Mini soccer handbook - this gives details for 5/7 aside game where laws of the game are different to 9/11 aside.  This includes details on power play and new changes to heading ball / throw ins.

Grassroots, Cadets, Bantams and Birds of Prey now will not use throw-ins or headers.   Note that rolling substitutions are NOT part of Little League rules.