Does HSI accept reviews requests by fax?
No. HSI accepts requests online through our Web-based review system 24 hours a day, 365 days a year, or by calling the toll-free certification line at (800) 418-4033, Monday through Friday from 7 a.m. to 5 p.m., except for designated Federal and State holidays. Requests received outside of regular business hours will be processed the following business day.