; and (B) provide to those committees, including staff with appropriate security clearances, access to the text of any negotiating proposal or any other document presented by the United States or another party to the negotiations that presents concepts or considerations for the negotiations not later than 5 business days before the proposal or other document is formally brought up for consideration in the negotiations. (2) Designation of advisors The chairperson and ranking member of each of the appropriate congressional committees may each designate not more than 5 Members of Congress on their committee and not more than 4 individuals on the staff of that committee as official advisors to negotiations. (3) Briefing (A) In general The Trade Representative shall brief the appropriate congressional committees before and after every negotiation session in relation to an international partnership agreement. (B) Timing A briefing required by subparagraph (A) following a negotiating session shall take place not later than 5 business days following the session. (c) Requirements for international partnership agreements (1) In general An international partnership agreement may be entered into under this title on the basis of one covered product, multiple covered products, or all covered products. (2) Participation (A) In general Subject to the requirements under paragraph (3), the United States may enter into an international partnership agreement under this title with— (i) one country; (ii) multiple countries