The Making Home Affordable program might not tap even half of the $29.9 billion in Troubled Asset Relief Program funds allocated for it, according to new estimates from the Treasury Department. Recently loosened requirements for the Home Affordable Modification Program Tier 2 could increase activity, though initial signals suggest that the increase will not be significant. Some 1.30 million MHA actions had been implemented as of the end of the third quarter of 2012, up from 1.22 million at the end of the second quarter, according to an Inside Mortgage Finance analysis. First-lien mods as part of HAMP Tier 1 dominated MHA activity, which also included second-lien mods, short sales and unemployment forbearance plans and other programs. There were...