Interested party.
(2) Interested party. In the case of an interested party or parties who, pursuant to section 3001(b) of the Employee Retirement Income Security Act of 1974 (88 Stat. 995), submitted a comment to a district director with respect to the qualification of the plan, a notice of determination referred to in section 7476(b)(5) shall be sufficient if mailed to the address designated in the comment as the address to which correspondence should be sent.