Subsequent notices required to be given to a tenant pursuant to section 1527 (relating to right of tenants to continued service) shall be sent by first class mail or otherwise hand-delivered to each affected tenant by name at his individual dwelling unit, by unit number or unit designation, and shall be posted in common areas. Whenever the utility has been unable to obtain the names and addresses of the affected tenants under section 1524 (relating to request to landlord to identify tenants) or 1526 (relating to delivery and contents of first termination notice to tenants), the utility shall hand-deliver the subsequent notice of termination to each affected tenant for whom a name has not been obtained to the tenant's individual dwelling unit by address and unit number or, if none exists, by unit designation. The notice shall also be conspicuously posted in the common areas. For the purposes of this section, the term "unit designation" means the geographic location of a dwelling unit by floor and floor areas. All notices shall contain the following information:
66 Pa.C.S. § 1528