; but (BB) the vote on passage shall be on the joint resolution of the other House. (II) Treatment of joint resolution of other House If one House fails to introduce or consider a joint resolution under this section, the joint resolution of the other House shall be entitled to expedited floor procedures under this section. (III) Consideration after passage If, following passage of the joint resolution in the Senate, the Senate then receives the companion measure from the House of Representatives, the companion measure shall not be debatable. (IV) Vetoes If the President vetoes the joint resolution, the period beginning on the date the President vetoes the joint resolution and ending on the date the Congress receives the veto message with respect to the joint resolution shall be disregarded in computing the 30-calendar day period described in clause (i) and debate on a veto message in the Senate under this section shall be 1 hour equally divided between the majority and minority leaders or their designees. (V) Rules of House of Representatives and Senate This subparagraph is enacted by Congress— (aa) as an exercise of the rulemaking power of the Senate and House of Representatives, respectively, and as such it is deemed a part of the rules of each House, respectively, but applicable only with respect to the procedure to be followed in that House in the case of a joint resolution, and it supersedes other rules only to the extent that it is inconsistent with such rules