; (B) any news release to the communications media; (C) any such mass mailing or unsolicited communication made in direct response to a communication from a person to whom the mass mailing or unsolicited communication was transmitted; or (D) in the case of any such unsolicited communication which is transmitted in a digital format, a communication for which the cost of the content is less than a threshold amount established under regulations of the House Communications Standards Commission. . (c) Conforming amendment to Rules of the House of Representatives Clause 9 of rule XXIV of the Rules of the House of Representatives is amended by inserting after that session, the following: or any other unsolicited communication of substantially identical content which is transmitted to 500 or more persons in that session or, in the case of a digital communication of substantially identical content, which is disseminated at a cost exceeding a designated amount, as provided under regulations of the House Communications Standards Commission, . 4. Revision to mass mailing notice on taxpayer funding Section 311(a) of the Legislative Branch Appropriations Act, 1997 ( 2 U.S.C. 506(a) ) is amended— (1) by striking (a) Each mass mailing and inserting (a)(1) Each mass mailing ; (2) by striking the following notice: and all that follows through or a notice and inserting one of the notices described in paragraph (2) or a notice