US lawMontanaRegulationsTitle 2 — ADMINISTRATIONChapter 2.43 — PUBLIC EMPLOYEES' RETIREMENT BOARDSubchapter 2.43.4 — Membership and Service Credits2.43.403ARM 2.43.403ARM 2.43.403. OPTIONAL MEMBERSHIPTransferredLength: 3 wordsOfficial source Cite as Mont. Admin. R. 2.43.4032.43.403 OPTIONAL MEMBERSHIPPreviousARM 2.43.402NextARM 2.43.404