postal rate commission(n = noun.group) - an independent federal agency that recommends changes in postal rates;
is a kind of independent agency

absentee rate, at an equal rate, at any rate, atomic energy commission, attrition rate, bank rate, bargain rate, basal metabolic rate, base rate, baud rate, birth rate, blue ribbon commission, civil service commission, commission, commission on human rights, commission on narcotic drugs, commission on the status of women, commission plan, crime rate, cut rate, data rate, death rate, depreciation rate, discount rate, dose rate, economic and social council commission, economic commission for africa, economic commission for asia and the far east, economic commission for europe, economic commission for latin america, ecosoc commission, election commission, erythrocyte sedimentation rate, exchange rate, excursion rate, fairness commission, fatality rate, federal communications commission, federal trade commission, fertility rate, first rate, flow rate, freight rate, fuel consumption rate, growth rate, heart rate, high commission, infant mortality rate, inflation rate, installment rate, interest rate, interstate commerce commission, metabolic rate, military commission, mortality rate, neonatal mortality rate, nestor paz zamora commission, nuclear regulatory commission, nyquist rate, occupancy rate, out of commission, pay rate, payment rate, planning commission, population commission, postal, postal card, postal clerk, postal code, postal order, postal service, prime interest rate, pulse rate, rate, rate of attrition, rate of depreciation, rate of exchange, rate of flow, rate of growth, rate of inflation, rate of interest, rate of pay, rate of payment, rate of respiration, rate of return, repayment rate, respiratory rate, room rate, sampling rate, second rate, securities and exchange commission, sed rate, sedimentation rate, social development commission, statistical commission, tax rate, third rate, turnover rate, unemployment rate, united states postal inspection service, united states postal service, us postal inspection service, us postal service, vacancy rate, water rate, zoning commission