The three federal banking agencies over the past week released proposed rules to implement the Basel III regulatory capital reforms and changes required by the Dodd-Frank Act that many observers predict will influence bank participation in the mortgage market. The proposed changes would increase bank capital requirements and re-calibrate risk-based capital charges. One of the key changes stemming from the Basel III accord reached by international bank regulators would limit the amount of mortgage servicing rights, along with investments in certain non-consolidated entities and deferred taxes, to no more...