Delegates and alternate delegates to a National convention of a political party shall be apportioned, selected or elected in such manner as the rules of the party may provide. The secretary of any political party shall certify and forward to the Secretary of the Commonwealth a copy of the party rules at least thirty days prior to the first day on which nomination petitions may be circulated for the offices which are to be filled at the spring primaries in the years in which candidates for the President of the United States are to be nominated, or at such other times as a political party shall meet in National convention or conference when candidates for the President of the United States are not to be nominated.
25 P.S.§ 2838.1