In a two innings match the side which
bats first and leads by 200 runs in a match of five days or more, by 150
runs in a three-day or four-day match, by 100 runs in a two-day match, or
by 75 runs in a one-day match, shall have the option of requiring the other
side to follow their innings.
2. Day's Play Lost
If no play takes place on the first day of a match of 2 or more
days' duration, 1. above shall apply in accordance with the
number of days' play remaining from the actual start of the
match.