4. New Ball in Match of 3 or more Days Duration
In a match of 3 or more days duration, the Captain of the fielding
side may demand a new ball after the prescribed number of overs has
been bowled with the old one. The Governing Body for cricket in the
country concerned shall decide the number of overs applicable in that
country which shall be not less than 75 sixball overs (55 eight-ball
overs).
5. Ball Lost or Becoming Unfit for Play
In the event of a ball during play being lost or, in the opinion
of the Umpires, becoming unfit for play,
the Umpires shall allow
it to be replaced by one that in their opinion has had a similar
amount of wear. If a ball is to be replaced,
the Umpires shall inform the Batsmen.
Notes
(a) Specifications
The specifications, as described in 1. above shall apply to topgrade
balls only. The following degrees of tolerance will be acceptable for
other grades of ball.
(i) Men's Grades 2-4
Weight: 5-5/16 ounces/150g. to 5-13/16 ounces/165g.
Size: 8-11/16 inches/22.0cm. to 9-1/16 inches/23.0cm.
(ii) Women's
Weight: 4-15/16 ounces/140g. to 5-5/16 ounces/150g.
Size: 8-1/4 inches/21.0cm. to 8-7/8 inches/22.5cm.
(iii)Junior
Weight: 4-5/16 ounces/133g. to 5-1/16 ounces/143g.
Size: 8-1/16 inches/20.5cm. to 8-11/16 inches/22.0cm.