Issues are related to specific ANSI ASC X12 releases. Sections 7 and 10.7 are dynamic between Issues, while Sections 1 - 6 have not changed. Section 10.4, Telecommunications Additional Code Lists, is an independent document and is updated quarterly.
Unified Ordering Model (UOM) Volume I, II, III, IV - Business Requirements Wireless Intercarrier Communications Interface Spcifications (WICIS) for Number Portability Version 4.0.0
