Rule 1-1-1

The game shall be played between 2 teams of not more than 5 players each, on a rectangular field and with a regulation ball. For details see Dimensions of Fields.
Teams may play with less players on the field. If more than 1 player to the regular number is missing, the game is forfeited by the side that is unable to field a team.
Team rosters consist of a maximum of 15 players (5 on the field with 10 substitutes). Teams shall have only players of the same gender.