; and (ii) appropriate sampling and review of the compliance described in clause (i), including direct information collection through generally accepted means from borrowers whose files were sampled, such as surveys, focus groups, interview, or other similar measures. (2) Corrective action The Secretary shall take such actions as may be necessary to remedy failures by servicers of single family mortgages insured under this Act to comply with the requirements of this Act and the standards and guidelines established by the Secretary for the servicing of those mortgages, including ordering noncompliant servicers to take corrective actions, including barring foreclosure and cancelling from the borrowers account balance and from any insurance claim any interest and other fees that accrued during periods of noncompliance. . 4. Complaint procedure regarding loss mitigation Title V of the National Housing Act ( 12 U.S.C. 1731a et seq.) is amended by adding at the end the following: 543. Complaint procedure regarding loss mitigation (a) Complaint procedure for borrowers (1) Features The Secretary shall establish and maintain a procedure for mortgagors under single family mortgages insured under this Act to register complaints with the Secretary regarding servicing, including loss mitigation actions, which shall— (A) include making available to the public a website of the Department of Housing and Urban Development, an e-mail address, a phone number, and a mailing address for registering complaints; and (B) provide an opportunity for servicers to respond to complaints and submit information regarding complaints. (2) Attempt to resolve For each complaint registered under the procedure established under this subsection, the Secretary shall— (A) review the complaint and any response by the servicer