opinion relating to such transaction or activity to the person. (2) Requests by candidates If an advisory opinion is requested by a candidate, or any authorized committee of such candidate, during the 60-day period before any election for Federal office involving the requesting party, the Administration shall render a written advisory opinion relating to such request not later than 20 days after the Administration receives a complete written request. (b) Rulemaking Required Any rule of law which is not stated in this Act or in chapter 95 or 96 of the Internal Revenue Code of 1986 may be initially proposed by the Administration only as a rule or regulation pursuant to procedures established in section 365. No opinion of an advisory nature may be issued by the Administration or any other officer or employee of the Administration except in accordance with the provisions of this section. (c) Reliance on Advisory Opinions (1) In general Any advisory opinion rendered by the Administration under subsection (a) may be relied upon by— (A) any person involved in the specific transaction or activity with respect to which such advisory opinion is rendered