This chapter sets forth verifiable methods for sending notice when notice is required under Environment Article, 6-801—6-852, Annotated Code of Maryland. In any instance when notice is permitted by a verifiable method under Environment Article, §§6-817, 6-819, 6-820, and 6-823, Annotated Code of Maryland, notice shall be sent by any method in which written receipt may be acknowledged by the intended recipient, agent, or representative. Environment Article, §§1-404 and 6-801—6-852, Annotated Code of Maryland Effective date: Regulations .01 and .02 adopted as an emergency provision effective February 24, 1996 (22:24 Md. R. 1887); adopted permanently effective August 12, 1996 (23:16 Md. R. 1178) Regulation .01 amended effective June 18, 2018 (45:12 Md. R. 620) Regulation .02 amended effective June 18, 2018 (45:12 Md. R. 620)