IDAPA 35.01.01.605 — ELEMENTS OF A WORLDWIDE COMBINED REPORT (RULE 605)

Section 63-3027(22), Idaho Code
01.
Income: In General. Income for the worldwide combined group is to be computed on the same
basis as taxable income subject to modifications contained in Sections 63-3022 and 63-3027, Idaho Code, and related
rules.
(4-6-23)
02.
Income: Foreign Corporations Included in a Federal Consolidated Return. Corporations
incorporated outside the United States that are included in a federal consolidated return is to include in the combined
report the taxable income reported on the federal consolidated return.
(4-6-23)
03.
Income: Foreign Corporations Not Included in a Federal Consolidated Return. Corporations
incorporated outside the United States that are not included in a federal consolidated return, is to include in the
combined report either the amount in Subsection 605.03.a. or 605.03.b. as the equivalent of taxable income. The
option chosen must be used for all unitary foreign corporations not included in a federal consolidated return.
IDAHO ADMINISTRATIVE CODE
IDAPA 35.01.01
Idaho State Tax Commission
Income Tax Administrative Rules
Section 620
Page 92
(4-6-23)
a.
The taxpayer may use the financial net income before income taxes as reported to the United States
Securities and Exchange Commission (SEC) if required to file with the SEC. If not required to file with the SEC, the
taxpayer may use the financial net income before income taxes as reported to shareholders and subject to review by
an independent auditor.
(4-6-23)
b.
The taxpayer may use the financial net income of each foreign corporation adjusted to conform to
tax accounting standards as would be required by the Internal Revenue Code if the corporation were a domestic
corporation required to file a federal income tax return.
(4-6-23)
04.
Consistent Application of Book to Tax Adjustments. If adjustments are made to conform
financial net income to tax accounting standards, all book to tax adjustments as required by the Internal Revenue
Code for domestic corporations is to be made for each unitary foreign corporation included in the combined report
and is to be consistently applied in each year for which the worldwide method applies. These adjustments are subject
to the record-keeping requirements of the Internal Revenue Code and Treasury Regulations for domestic
corporations.
(4-6-23)
05.
Apportionment Factors. The rules for inclusion, value, and attribution of apportionment factors
by location for the worldwide combined group is to be determined pursuant to Section 63-3027, Idaho Code, and
related rules. Only the apportionment factor attributes of those corporations included in the worldwide combined
group may be used.
(4-6-23)