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.
The average tax rate is the tax rate you pay when you add all sources of taxable income and divide that number into the amount of taxes you owe. In other words, you can calculate your average tax rate by dividing your total tax obligation by your total taxable income.