(a) This chapter shall be applicable only to the presidential primary ballot of the Republican Party, and qualified parties for which no other provisions apply.
(b) This chapter shall be applicable to the selection of delegates to the Republican Party National Convention to the extent that the constitution, bylaws, and rules of the Republican Party do not provide otherwise. The California Republican Party shall notify the Secretary of State of any material changes in the constitution, bylaws, and rules of the Republican Party relating to the selection of delegates to the Republican Party National Convention.