USBC says new ball marking rule 'designed to enhance equipment integrity'

The United States Bowling Congress has issued new regulations governing ball marking that is says are "designed to protect bowlers and pro shop operators from errors that can lead to incorrect drilling." The rules, which were effective Jan. 31 but not announced until this news release on Friday, require ball manufacturers to "accurately mark the key axes on the ball that are used during the ball layout process by pro shop operators in order to receive USBC approval." The new rules require that...