(a) Effectiveness. Filing and service are deemed effective:

(1) For personal service or same-day commercial courier delivery, upon actual delivery; and

(2) For overnight commercial delivery service, U.S. Express Mail delivery, or first class, registered, or certified mail, upon deposit in, or delivery to, an appropriate point of collection.

(b) Modification. The effective times for filing and service in paragraph (a) of this section may be modified by the ASC in the case of filing or by agreement of the parties in the case of service.