1 Pa. Code § 33.34
The date of service shall be the day when the document served is deposited in the United States mail, or is delivered in person, as the case may be.
This section cited in 4 Pa. Code § 615.5 (relating to filings with Docket Clerk); 16 Pa. Code § 42.34 (relating to motions); 25 Pa. Code § 1021.35 (relating to date of service); 34 Pa. Code § 111.3 (relating to definitions); 34 Pa. Code § 131.11 (relating to filing, service and proof of service); 34 Pa. Code § 131.56a (relating to withdrawal of appearance); 37 Pa. Code § 171.25 (relating to service); 40 Pa. Code § 15.44 (relating to service); 40 Pa. Code § 17.13 (relating to protests/intervention procedure); 49 Pa. Code § 31.103 (relating to applicability of other laws and rules); 49 Pa. Code § 31.115 (relating to disciplinary sanctions); 52 Pa. Code § 1.56 (relating to date of service); 52 Pa. Code § 1001.54 (relating to date of service); 61 Pa. Code § 703.5 (relating to other submissions); 61 Pa. Code § 703.6 (relating to service); and 67 Pa. Code § 491.8 (relating to service).