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International Tax Calculator

Calculate the US tax impact of foreign operations for reporting, compliance, and planning.
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The Orbitax International Tax Calculator (ITC) is a comprehensive US outbound software solution for the intricate TCJA rules, including GILTI, FDII, and BEAT, as well as for Subpart F and the US Foreign Tax Credit. ITC’s friendly workflow and detailed calculator give quick results that approach compliance-level reporting. Users appreciate ITC’s granular results which narrow return-to-provision differences and find ITC a helpful parallel check for their tax return.

In addition to the traditional challenges of US outbound calculations, US multinationals face a new challenge with the GMT rules which require complex top-up tax calculations. The Orbitax Global Minimum Tax (GMT) solution handles these new GMT rules and ITC offers full integration by handing-off the needed Subpart F and GILTI inclusion items for the Pillar Two calculations.

Orbitax ITC is cloud based software, supports any form of data input and can integrate with your existing systems using next generation workflow technology to enable collaboration among internal and external stakeholders worldwide.

Save time and reduce risk by automating the full end-to-end process including automatic data collections, preparation and review with the Orbitax Executable Actions Tool (E.A.T.).

Load Data

Load entity data, foreign data, and federal data from any source - in any format.

Data Mapping: Use the intuitive data mapping tool to connect source data to the corresponding data fields in ITC.

Orbitax Connect: Integrate directly with other API-enabled systems.

Data Survey: Automate the collection of data from individual contributors through Excel, PDF, and data surveys.

Data Transformation: Irrespective of the data format, once loaded in Orbitax ITC, data is converted into a common format (.qnr) and can be used throughout the Orbitax International Tax Platform.


The ITC calculation templates are part of the Orbitax Global Tax Calculator and are maintained in a spreadsheet format that can be viewed online or downloaded for local viewing in Excel. The templates are organized with separate areas for inputs, calculations and reports with a full audit trail available for all stakeholder interactions inside the template including review and sign-off.

Create Reports

Standard Reports include: Entity Chart, US FTC by basket, GILTI Inclusion, Foreign E&P by Entity, Foreign Inclusion Summary, RP Interest Look-Through, Tax Provision Report and the Income Tax Report. Define any custom report or get a complete report view in Microsoft Power BI.

Next Gen Workflows with E.A.T.

The Orbitax Executable Actions Tool makes it easy to turn complex processes into repeatable and scalable workflows.

Cut out the manual effort of complex tax work and accelerate any process with no-code integration and automation that connects your systems, colleagues and advisors.

Examples of tasks automated by E.A.T. are data collection, calculation, report generation, population of compliance forms, and final transmission to tax authorities.

E.A.T. comes with visual review and tracking which makes it easy to make refinements as the workflow is deployed.

Glossary of Terms

Abbreviation Description
ITC - International Tax CalculatorOrbitax’s US International Outbound tax solution
GTC - Global Tax CalculatorOrbitax’s integrated solution which combines the existing ITC with our new Global Minimum Tax Calculator
E.A.T. - Executable Action ToolOrbitax’s workflow solution which allows tax departments to create, share, and execute custom business processes based on conditional steps and actions.
API - Application Programing InterfaceAutomated connection process which allows Orbitax solutions to connect to 3rd-party software in order to streamline tax calculation processes.
IRC - Internal Revenue CodeReferences to “Section” are made to the United States Internal Revenue Code of 1986, as most recently amended.
TCJA - Tax Cuts and Jobs ActCongressional revenue act of the United States introduced in 2017 which amended the Internal Revenue Code and introduced significant changes to the United States tax system.
CFC - Controlled Foreign CorporationA foreign corporation which is controlled by a domestic corporation as defined under Section 957.
BEAT - Base Erosion and Anti-Abuse TaxCorporate minimum tax imposed under Section 59A related to certain base erosion payments to foreign related parties
FDII - Foreign-Derived Intangible IncomeDeemed excess domestic returns that are considered foreign-derived. Certain taxpayers are eligible for an additional deduction related to their FDII income under Section 250.
GILTI - Global Intangible Low-Taxed IncomeIncome inclusion under Section 951A related to a type of income earned by CFCs and subject to a preferential tax rate through an additional deduction under Section 250.
Subpart FType of income earned by a CFC, as defined under Section 952. This type of income gives rise to an income inclusion under Section 951.
FTC -Foreign Tax CreditTax credit related to foreign income taxes paid which is used to offset domestic tax liability.
E&P - Earnings and ProfitsMeasure of economic income of a corporation available for distribution to its shareholders.
RP Interest - Related Party InterestInterest paid to, or received from, a related party.
FX Rates - Foreign Exchange RatesTranslation rates used to convert functional currency to reporting currency or vice versa.
Int Exp Appt - Interest Expense ApportionmentAssigning interest expense to a category of income for purposes of Foreign Source Income or FDII calculations.
CF- CarryforwardAttribute generated in a prior year which is available to offset current or future taxable income or tax due.
OECD - Organisation for Economic Co-operation and DevelopmentInternational organization comprised of member countries which work together to develop policy standards to promote sustainable economic growth
QDMTT - Qualified Domestic Minimum Top-up TaxMinimum tax included in domestic law to increase domestic tax liability to a minimum rate, as defined by Article 10 of the OECD Pillar Two Model Rules.
IIR - Income Inclusion RuleRule which requires a parent entity to include a share of income from subsidiaries located in a low-tax jurisdiction when calculating a top-up tax under Pillar Two.
UTPR - UnderTaxed Profits RuleActs as backstop to the IIR which collects necessary top-up tax which was not collected under an IIR.
STTR - Subject to Tax RuleModel treaty provision to be included in double tax treaties which allows a source State to recapture taxing rights on certain intragroup payments.

Orbitax is proudly working with

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