Rule Will Require a Second Appraisal in Situations Where a Home is Being Flipped for a Quick, Higher Resale  A new rule passed Jan. 15 gives mortgage lenders an additional year to institute appraisal standards for higher-risk loans, Bloomberg reported, and Appraiser News Online highlighted.  The extension is one of the revisions that regulators made to the Dodd-Frank Act to address concerns from financial firms.    Appraiser News Online explains that: