Statutes > Michigan Statutes > Chapter 484 - TELEPHONE, TELEGRAPH, AND RADIO > Act 179 of 1991 - MICHIGAN TELECOMMUNICATIONS ACT (484.2101 - 484.2701) > 179-1991-3A - ARTICLE 3A INTERCONNECTION OF TELECOMMUNICATION PROVIDERS WITH THE BASIC LOCAL EXCHANGE SERVICE (484.2351...484.2363) > 179-1991-3A-D-NUMBER-PORTABILITY - D. NUMBER PORTABILITY (484.2358...484.2358)