https://www.gov.uk/hmrc-internal-manuals/oil-taxation-manual/ot26085
OT26085 - Capital Allowances: Exploration Expenditure Supplement: Accounting periods - HMRC...
capital allowancesaccounting periodsexplorationexpendituresupplement
https://www.gov.uk/hmrc-internal-manuals/company-taxation-manual/ctm01500
CTM01500 - Corporation Tax: accounting periods: end of - HMRC internal manual - GOV.UK
corporation taxaccounting periodsend of
https://www.gov.uk/hmrc-internal-manuals/company-taxation-manual/ctm01515
CTM01515 - Corporation Tax: accounting periods: companies in administration - HMRC internal manual...
corporation taxaccounting periods
https://www.gov.uk/hmrc-internal-manuals/cotax-manual/com1022
COM1022 - Accounting periods: company accounting periods: legislation: company accounting periods -...
accounting periodscompanylegislation
https://www.gov.uk/hmrc-internal-manuals/company-taxation-manual/ctm34700
CTM34700 - Residence: dual resident companies: accounting periods straddling 1 April 1987 - HMRC...
resident companiesaccounting periods
https://www.gov.uk/hmrc-internal-manuals/company-taxation-manual/ctm01410
CTM01410 - Corporation Tax: accounting periods: commencement - HMRC internal manual - GOV.UK
corporation taxaccounting periods
https://www.gov.uk/hmrc-internal-manuals/tonnage-tax-manual/ttm07010
TTM07010 - The ring fence: Outline: Accounting periods - HMRC internal manual - GOV.UK
the ringaccounting periods
https://www.gov.uk/hmrc-internal-manuals/cotax-manual/com1041
COM1041 - Accounting periods: company accounting periods: forms: company accounting periods - HMRC...
accounting periodscompanyformshmrc
https://www.gov.uk/hmrc-internal-manuals/general-insurance-manual/gim7490
GIM7490 - Repeal of equalisation reserves tax legislation for accounting periods ending on or after...
https://www.gov.uk/hmrc-internal-manuals/company-taxation-manual/ctm18400
CTM18400 - Shadow ACT: accounting periods to which the Regulations apply: company not a member of a...
https://www.ey.com/en_tt/people/scott-t-mackay
Scott Mackay EY Americas Quantitative Services Leader and US National Tax Accounting Periods,...
https://www.mondaq.com/nigeria/tax-authorities/1766998/retrospective-legislation-proration-of-tax-rates-and-the-fragmentation-of-accounting-periods-revisiting-the-federal-high-court-decision-in-shell-v-firs
Retrospective Legislation, Proration Of Tax Rates, And The Fragmentation Of Accounting Periods:...
The decision of the Federal High Court ("the Court") in Shell Petroleum Development Company of Nigeria Limited v. Federal Inland Revenue Service (FIRS)1 has...
retrospective legislationtax ratesproration
https://www.ey.com/en_bh/people/scott-t-mackay
Scott Mackay EY Americas Quantitative Services Leader and US National Tax Accounting Periods,...
https://www.ey.com/en_uk/people/scott-t-mackay
Scott Mackay EY Americas Quantitative Services Leader and US National Tax Accounting Periods,...
https://www.ey.com/en_am/people/scott-t-mackay
Scott Mackay EY Americas Quantitative Services Leader and US National Tax Accounting Periods,...
https://www.ey.com/en_bb/people/scott-t-mackay
Scott Mackay EY Americas Quantitative Services Leader and US National Tax Accounting Periods,...
https://www.gov.uk/hmrc-internal-manuals/company-taxation-manual/ctm36120
CTM36120 - Particular topics: company winding up etc.: accounting periods - HMRC internal manual -...
winding up
https://www.ey.com/en_kw/people/scott-t-mackay
Scott Mackay EY Americas Quantitative Services Leader and US National Tax Accounting Periods,...
https://www.ey.com/en_jm/people/scott-t-mackay
Scott Mackay EY Americas Quantitative Services Leader and US National Tax Accounting Periods,...
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Scott Mackay EY Americas Quantitative Services Leader and US National Tax Accounting Periods,...
https://www.ey.com/en_az/people/scott-t-mackay
Scott Mackay EY Americas Quantitative Services Leader and US National Tax Accounting Periods,...
https://www.gov.uk/hmrc-internal-manuals/international-manual/intm167070
INTM167070 - UK residents with foreign income or gains: corporation tax: Accounting periods of more...
https://www.ey.com/en_lb/people/scott-t-mackay
Scott Mackay EY Americas Quantitative Services Leader and US National Tax Accounting Periods,...
https://www.ey.com/en_bn/people/scott-t-mackay
Scott Mackay EY Americas Quantitative Services Leader and US National Tax Accounting Periods,...
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Scott Mackay EY Americas Quantitative Services Leader and US National Tax Accounting Periods,...
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Scott Mackay EY Americas Quantitative Services Leader and US National Tax Accounting Periods,...
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Scott Mackay EY Americas Quantitative Services Leader and US National Tax Accounting Periods,...
https://www.ey.com/en_ie/people/scott-t-mackay
Scott Mackay EY Americas Quantitative Services Leader and US National Tax Accounting Periods,...
https://www.gov.uk/hmrc-internal-manuals/general-insurance-manual/gim5210
GIM5210 - Taxation of the investment return: investment gains: accounting periods beginning on or...
of theinvestment return
https://www.ey.com/en_nl/people/scott-t-mackay
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https://rsmus.com/services/business-tax/accounting-methods-and-periods.html
Accounting methods and periods | Services | RSM US
RSM can help determine how your company can take advantage of more favorable allowable accounting methods and elections including Form 3115.
accounting methodsperiodsservicesrsmus