Actions for Administration requests: increase in debt ceiling, repeal of government bond interest ceilings, and tax refunds in U.S. bonds : hearings before the Committee on Ways and Means, House of Representatives, Ninety-third Congress, first session on administration proposals to increase public debt ceiling, to eliminate interest rate ceilings on U.S. government bonds, and to institute Treasury procedure for tax refunds in interest-bearing treasury bonds, June 4, 1973