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H 381

TAXATION – Amends existing law to require the State Tax Commission to provide certain notices to taxpayers regarding the substantiation of deductible expense.

68th Legislature, 1st Regular Session (2025)

Idaho H381 requires the Tax Commission to notify taxpayers they can substantiate deductible expenses paid electronically, with conclusive proof from cards and sworn statements.

Reported Signed by Governor on March 31, 2025 Session Law Chapter 224 Effective: 07/01/2025
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Bill Summary · H 381

Summary of Idaho H 381 (2025)

Purpose and intent

  • Updates Idaho tax law to ensure taxpayers are notified about the option to substantiating deductible expenses with credit/debit card or other electronic transaction records.
  • Builds on a prior change (H 30, 2023) that allows credit card or bank statements to be allowable evidence for expenditures during a tax audit.

Key provisions

  • amends Idaho Code Section 63-3042A (Evidence of Expenditures)
    • Under this bill, in documenting an expenditure as a deduction or credit:
    • Absent clear and convincing evidence of fraud, a taxpayer’s statement or an invoice from a credit card company or other financial institution reflecting the expenditure shall conclusively establish that the expenditure was made by the taxpayer.
    • The taxpayer’s sworn statement that the expenditure was made for a deductible purpose shall conclusively establish the taxpayer’s right to the deduction or credit.
  • In any audit, deficiency assertion, or other proceeding where substantiation of a deductible expense paid by credit/debit card or other electronic means is in question:
    • The State Tax Commission must notify the taxpayer in writing of the provisions of this section.
    • The Commission must retain proof that such notice has been provided.

Who is affected

  • Taxpayers undergoing audits, deficiency proceedings, or other tax-related challenges regarding deductible expenses paid by electronic means (credit/debit cards, etc.).
  • The Idaho State Tax Commission, which must implement the notice requirement and maintain records of notices.

Procedural and timeline aspects

  • Effective date: July 1, 2025.
  • Emergency clause: The act declares an emergency and provides for immediate full force and effect on that date.
  • Legislative history indicates rapid passage in March 2025, with final enactment as Session Law Chapter 224, signed by the Governor March 31, 2025.

Fiscal impact

  • Based on the fiscal note, the legislation has no anticipated net fiscal impact:
    • No additional state or local expenditures.
    • No change in state or local revenue.

Additional context

  • The “evidence” framework remains contingent on the absence of fraud; in cases of fraud, the conclusive effect does not apply.
  • The change emphasizes formal written notice by the Tax Commission to taxpayers about the allowed substantiation method and requires the Commission to keep proof of such notice.

Bottom line

H 381 strengthens and clarifies the substantiation process for deductible expenses paid via credit/debit cards or electronic means by ensuring taxpayers are explicitly informed about these options during audits, while maintaining the current evidentiary standards and adding a documentation requirement for notices. The measure takes effect on July 1, 2025, and carries no identified fiscal cost.

Compiled from official sources — confirm details with the bill’s official record.

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