The FHA has extended a temporary waiver of its regulation that prohibits property flipping in the single-family mortgage insurance program to encourage more investors to participate in agency efforts to ease its burgeoning inventory of real estate-owned properties. First issued in January 2010, the regulatory waiver is now effective through Dec. 31, 2014, after two previous adjustments since issuance. Prior to the waiver, a mortgage was not eligible for FHA insurance if the purchaser sold the property within 90 days of its acquisition and is ...