Michigan - Retail Guidebook Updates

Effective Description Package
10/15/2025 ILEC - Access Lines and Trunks, Centrex, Mixcellaneous and ISDN PRI Grandfather MU-25-0020
10/01/2025 DS1 Rate Change MU-25-0021
09/01/2025 Centrex Reprice and Term Language Change MU-25-0015