A financial guaranty insurer shall at all times maintain capital, surplus, and contingency reserve in the aggregate not less than the sum of: 0.3333 percent or 1/300th of the total liability under guaranties of municipal obligation bonds and special revenue bonds, including obligations demonstrated to the satisfaction of the Commissioner to be the functional equivalent of municipal obligation bonds or special revenue bonds, and investment grade utility first mortgage obligations; plus 0.6666 percent or 1/150th of the total liability under guaranties of investment grade asset-backed securities; plus 1.0 percent or 1/100th of the total liability under guaranties, to the extent secured by collateral or having a term of 7 years or less, of: Investment grade industrial development bonds; or Other investment grade obligations; plus 1.5 percent or 1/66.67th of the total liability under guaranties of other investment grade obligations; plus 2.0 percent or 1/50th of the total liability under guaranties of: Non-investment grade consumer debt obligations; and Non-investment grade asset-backed securities; plus 2.5 percent or 1/40th of the total liability under guaranties of non-investment grade obligations to the extent secured by first mortgages on commercial real estate and having loan-to-value ratios of 80 percent or less; plus 4.0 percent or 1/25th of the total liability under guaranties of other non-investment grade obligations. If the amount of collateral required by §A(1) of this regulation is no longer maintained, that proportion of the obligation insured that is not collateralized shall be subject to the aggregate limits specified in §A(2) of this regulation.