Idaho Admin. Code r. 35.01.01.330 - APPORTIONABLE AND NONAPPORTIONABLE INCOME DEFINED: APPORTIONMENT AND ALLOCATION
Section 63-3027(1), Idaho Code. Sections 63-3027(1)(a) and 63-3027(1)(h), Idaho Code, require that every item of income be classified either as apportionable income or nonapportionable income. Income for purposes of classification as apportionable or nonapportionable includes gains and losses. Apportionable income is apportioned among jurisdictions by use of a formula. Nonapportionable income is specifically assigned or allocated to one (1) or more specific jurisdictions pursuant to express rules. An item of income is classified as apportionable income if it falls within the definition of apportionable income. An item of income is nonapportionable income only if it does not meet the definitional requirements for being classified as apportionable income. (4-6-23)
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