Chapter 423. Rules Governing the Discontinuance of Local Exchange Telecommunications Services Provided by Competitive Local Exchange CarriersRead Chapter 
- Section 10
 - Definitions
 - Section 20
 - Requirements for discontinuance
 - Section 30
 - Requirements for partial discontinuance
 - Section 40
 - Requirements to withdraw a tariffed service offering
 - Section 50
 - Requirements to obsolete a tariffed service offering
 - Section 60
 - Administrative cancellation of certificates
 - Section 70
 - Bankruptcy requirements
 - Section 80
 - Duties of ILECs
 - Section 90
 - Commission authority