The phrase "apportionment basis" is correct and usable in written English.
It can be used in contexts related to finance, taxation, or resource distribution where a method of dividing or allocating something is being discussed.
Example: "The apportionment basis for the tax liabilities will be determined by the revenue generated in each region."
Alternatives: "allocation method" or "distribution criteria".
Quantifying CO2 impacts through the Net Present Value (NPV) is challenging, since impacts are difficult to estimate and their apportionment on an annual basis is problematical to apply.
Because the census (since at least 1980) has not distinguished citizens and permanent, legal residents from individuals here illegally, the basis for apportionment of House seats has been skewed.
In contemporary America, the apportionment of political power on the basis of population, the use of race in the drawing of legislative districts and racial bloc voting have prompted people to inflate their numbers.
The figures could be the basis of an electoral apportionment and so a building block of the democratic election promised to Iraqis by the provisional authority, said Col. Allen Irish, a United States Army officer working with the provisional authority in Baghdad.
The same Phoenix base mortality model was applied to source apportionment analyses of all groups to provide a consistent basis for comparison across source components and groups (i.e., to eliminate model specification variability from the analysis).
These problems include the qualifications of electors (see suffrage); the apportionment of constituencies (see constituency); apportionment (electoral); the basis of election (see plurality system; proportional representation); methods of nominating candidates (see primary election); and means of ascertaining the wishes of electors (see referendum and initiative).
The Supreme Court reversed that decision, saying that apportionment of liability is appropriate so long as there is a reasonable basis for determining the contribution of each wrongdoer.
Based on a preliminary assessment using synthetic data, the proposed source apportionment should be able to identify many important sources on a daily basis, including secondary ammonium nitrate and ammonium sulfate, diesel vehicle exhaust, road dust, wood combustion and vegetative debris.
He banned the main nationalist group, the National Democratic Party, for being violent and intimidatory it reformed overnight as the Zimbabwe African People's Union (ZAPU and announced that the UFP would repeal the Land Apportionment Act, which segregated the ownership and occupation of certain areas on a racial basis, if it won the next Southern Rhodesian election.
The solutions of the various groups were compared with each other on an equal basis, because an accepted "gold standard" method does not exist at this time for source apportionment.
