; and (B) confirmation by the Secretary of the Treasury that the relevant authority in Taiwan has approved and taken appropriate steps required to implement the Agreement. 314. Consultations with Congress (a) Notification upon commencement of negotiations The President shall provide written notification to the appropriate congressional committees of the commencement of negotiations between the United States and Taiwan on the Agreement at least 15 calendar days before commencing such negotiations. (b) Consultations during negotiations (1) Briefings Not later than 90 days after commencement of negotiations with respect to the Agreement, and every 180 days thereafter until the President enters into the Agreement, the President shall provide a briefing to the appropriate congressional committees on the status of the negotiations, including a description of elements under negotiation. (2) Meetings and other consultations (A) In general In the course of negotiations with respect to the Agreement, the Secretary of the Treasury, in coordination with the Secretary of State, shall— (i) meet, upon request, with the chairman or ranking member of any of the appropriate congressional committees regarding negotiating objectives and the status of negotiations in progress; and (ii) consult closely and on a timely basis with, and keep fully apprised of the negotiations, the appropriate congressional committees. (B) Elements of consultations The consultations described in subparagraph (A) shall include consultations with respect to— (i) the nature of the contemplated Agreement; (ii) how and to what extent the contemplated Agreement is consistent with the elements set forth in section 313(b); and (iii) the implementation of the contemplated Agreement, including— (I) the general effect of the contemplated Agreement on existing laws; (II) proposed changes to any existing laws to implement the contemplated Agreement