CURRENT ISSUE INTERACTIVE VERSION INTERACTIVE VERSION (SMALLER SCREENS) INTERACTIVE PDF PRINTABLE PDF Instructions Photo Gallery • Past Issues Extended Coverage Association Info Candidate Form FILLABLE • PRINTED USBC ball specs effective dates RESEARCH SUMMARY & UPDATED SPECIFICATIONS VIDEO NCAUSBCA Award Applications ADULT ADULT "BONUS" YOUTH YOUTH HONOR Ball Cleaners and Polishes APPROVED NON-APPROVED TOURNAMENT RULE 319d:REPORTING PRIOR PRIZE WINNINGS TO AVOID DISQUALIFICATION,be aware of the new reporting changes! Q&A on Rerate Procedures and Related Topics OFFICIAL RERATE LIST Bowl TV USBC Playing Rules & Commonly Asked Questions