An Act to regulate the Performance of certain Contracts, and to authorize the Courts of Chancery and Exchequer to make Orders in Cases which may arise out of the Conversion of certain Annuities of Five Pounds per Centum per Annum into Annuities of Four Pounds per Centum per Annum; and for paying off such Proprietors of Five Pounds per Centum Annuities as shall dissent from receiving Four Pounds per Centum Annuities in lieu thereof.