...
(4) If a servicer has established an address that a borrower must use to request information pursuant to paragraph (b) of this section, a servicer must comply with the requirements of paragraph (i)(1) of this section only for requests received at the established address.
[ 78 FR 10876, Feb. 14, 2013, as amended at 78 FR 60437, Oct. 1, 2013; 81 FR 72371, Oct. 19, 2016]