(b) The office must send the notice by first class mail, postage prepaid, to:
- (1) the complainant at the mailing address provided in the declaration; and
(2) the filer at:
- (i) the most recent registered business address associated with the filing named in the declaration; or
- (ii) if a mailing address for the filer cannot be identified, the notice may be served on the filer as provided under section 5.25, subdivision 6.