5.1.1. Bowlers arms were brought into the game initially to allow persons with a medical condition the
opportunity to play or continue playing bowls.
There are currently four types of bowlers arms approved for use in Australia.
They are known as the Drakes Pride Arm, the Bionic Bowler Arm and the DHB arm (in three models).
184.108.40.206 Each device is manufactured in several lengths and release mechanisms.
Only approved arms (with a BA logo as part of the National Merchandising Program) can be used in Australia.
Modifications are not permitted (with exception to the rubber grip on the bottom of the arm which may need
to be replaced as it wears out.).
5.1.2 An affiliated member must gain approval from their State Governing Body to use an artificial device
(bowlers arm). A medical certificate stating that the affiliated member requires the bowlers arm to continue
to participate in lawn bowls must accompany the application for approval.
5.1.3 A player using an approved bowlers arm should have their State Governing Body issued approval
card/certificate with them on the day of play.
5.1.4 If a player is using a bowlers arm that is not approved, the player becomes a defaulting player as per
law 1.3.3 and will forfeit the game as per law C.10.
5.1.5 If a player is using a bowlers arm that is approved but does not have approval to use one, the player
becomes a defaulting player as per law C.2 and will forfeit the game as per law C.10
5.1.6 If a player is using an approved bowlers arm but does not have an approval card/certificate with them
on the day, the player must prove to the controlling body of the competition they have approval to use a
bowlers arm from their state/territory association within five working days of the challenge.
5.1.7. A player may use any number of bowlers arms during trial ends for suitability. Once a game has commenced,
the designated brand or style of bowlers arm chosen by the player must stay the same during the match.
5.1.8 Whenever a plyer commences using a bowlers arm in a gam, the player must use it for the remainder of that
game. This does not apply to the rolling of the jack, which caan be rolled either bt hand or by bowlers arm.
5.1.9 A player cannot alter/change the brand or style of bowlers arm during the course of a game except in such
circumstances where the device is rendered unplayable and in this instance, the player may change to another
designated brand or style of bowlers arm on approval by the umpire or controlling body.
5.1.10 Challenge by appeal to an umpire regarding a bowlers arm could occur before the trial ends or up to 10
minutes after the game (but not during the game) as similar to law 52.4.3 and 220.127.116.11
Check out the S A bowlers arm policy Here