(a) Agency—any department, board, bureau, commission, division, office, council, committee, public benefit corporation, public authority, or other governmental entity of the State of New York.

(b) Chairman—the Chairman of the Public Service Commission.

(c) General counsel—the Counsel to the Public Service Commission.

(d) Party—any person or agency named or admitted to participate in a proceeding or properly seeking and entitled as of right to be so admitted.

(e) Active party—a party included on a list of active parties prepared by a presiding officer pursuant to section 4.3(b) of this Title.

(f) Presiding officer—the commissioner, or the Administrative Law Judge or other officer or employee of the commission so authorized by the chairman or by the chairman's designee, presiding over a proceeding or conducting an investigation or hearing.

(g) Secretary—the Secretary to the Commission.

(h) Trial staff—staff of the Department of Public Service designated to participate as a party in a particular proceeding. An individual need not appear as a witness to be considered part of trial staff.

(i) Overnight delivery service—any delivery service which regularly accepts items for overnight delivery to any address in the State.

(j) Web posting—publication of a document on the world wide web at an address that is known and accessible to all parties entitled to be provided with a copy of the document, in a format that allows the document to be downloaded, searched, saved and printed.

(k) Electronic signature—an electronic sound, symbol, or process, incorporated within, attached to or logically associated with an electronic document and executed or adopted by a person with the intent to sign the document.

(l) Electronic filing—delivery of a document to the secretary by e-mail or such other electronic means as may be authorized by the secretary.

(m) Electronic Service—delivery by e-mail, or such other electronic means as may be authorized by the secretary, of:

(n) In writing, written—denotes a tangible or electronic record of a communication or representation, including handwriting, typewriting, printing, photocopying, photography, audio or video recording and e-mail; a “signed” writing includes a writing containing an electronic signature.