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.
An income tax is a government levy (tax) imposed on individuals or entities (taxpayers) that varies with the income or profits (taxable income) of the taxpayer. Details vary widely by jurisdiction. Many jurisdictions refer to income tax on business entities as companies tax or corporate tax.