NCDs (National Coverage Determinations) and LCDs (Local Coverage Determinations) are. decisions by Medicare and their administrative contractors that provide coverage information. and determine whether services are reasonable and necessary on certain services offered by. participating providers.
A tax (from the Latin taxo) is a financial charge or other levy imposed upon a taxpayer (an individual or legal entity) by a state or the functional equivalent of a state to fund various public expenditures. A failure to pay, or evasion of or resistance to taxation, is usually punishable by law.
Tax rate. For a type of taxation system in the United Kingdom and elsewhere, see Rates (tax). In a tax system, the tax rate is the ratio (usually expressed as a percentage) at which a business or person is taxed. There are several methods used to present a tax rate: statutory, average, marginal, and effective.