FIELD GUIDES

Map companies, tax questions and accounts

Separate the legal employer, rights seller, taxpayer and owner before choosing a filing or cross-border tax route.

37 published guides

Choose the question you need

U.S. federal · United Kingdom

A UK receiving company does not itself establish treaty relief

Source review: 2026-11-12 · 2 min read

Federal IRS · California CPA example

Adding U.S. tax returns to bookkeeping: the training is not the authority

Source review: 2026-11-12 · 2 min read

BE-13 can matter before the U.S. business makes a sale

Source review: 2026-11-12 · 2 min read

Bosnia and Herzegovina

Can a Federation business net its American invoices?

Source review: 2026-11-12 · 2 min read

Can a Moldovan export-collection account also be your American treasury account?

Source review: 2026-11-12 · 3 min read

Finland · United States

Can a service outside Finnish VAT still belong on your Finnish return?

Source review: 2026-11-12 · 3 min read

Slovenia · United States

Can American advertising create a Slovenian VAT cost you cannot deduct?

Source review: 2026-11-12 · 2 min read

Can Czech purchases still require reporting when your customer is American?

Source review: 2026-11-12 · 3 min read

Hungary · United States

Can your American affiliate prepare the Hungarian company’s invoice?

Source review: 2026-11-12 · 2 min read

Cash installments can take a job over the Form 8300 threshold

Source review: 2026-11-14 · 3 min read

Denmark · United States

Could Danish use or location change the VAT on your American sale?

Source review: 2026-11-12 · 3 min read

Could foreign advertising trigger Estonian VAT duties before your first sale?

Source review: 2026-11-12 · 3 min read

Slovakia · United States

Does a group’s German VAT number prove your American buyer’s status?

Source review: 2026-11-12 · 2 min read

Does an American customer belong in Luxembourg’s other-EU statement?

Source review: 2026-11-12 · 3 min read

Iceland · United States

Does an American payer make work on Icelandic property an export service?

Source review: 2026-11-12 · 3 min read

Norway · United States

Does emailing an inspection report make the service remotely deliverable?

Source review: 2026-11-12 · 3 min read

Does P.L. 86-272 protect your service income?

Source review: 2026-11-12 · 2 min read

Malta · United States

Does selling to America settle the VAT on your foreign software purchase?

Source review: 2026-11-12 · 3 min read

Does your American customer need a KSeF login to receive the invoice?

Source review: 2026-11-12 · 3 min read

Does your U.S. company need to register in another state?

Source review: 2026-11-12 · 2 min read

Foreign-owned and foreign-formed are different BOI questions

Source review: 2026-11-12 · 2 min read

North Macedonia

How can a partial U.S. investment sale affect North Macedonian registry entries?

Source review: 2026-11-12 · 2 min read

Austria · United States

How can an American buyer prove business status without an EU VAT number?

Source review: 2026-11-12 · 3 min read

Is the royalty amount gross or net of withholding?

Source review: 2026-11-12 · 2 min read

Kansas foreign-entity registration and resident agent

Source review: 2026-11-12 · 1 min read

No revenue does not mean no Form 5472 question

Source review: 2026-11-12 · 2 min read

Should your invoicing switch to Montenegro’s new VAT Act yet?

Source review: 2026-11-12 · 2 min read

Tennessee franchise and excise tax: who files and when

Source review: 2026-11-12 · 5 min read

What does Texas’s data-processing exemption actually reduce?

Source review: 2026-11-12 · 2 min read

What federal tax treatment does your LLC have?

Source review: 2026-11-12 · 2 min read

What reporting follows a Serbian investment in an American company?

Source review: 2026-11-12 · 2 min read

Sweden · United States

When do U.S. service sales belong in Swedish VAT box 40?

Source review: 2026-11-12 · 2 min read

Which American supplier documents belong in Lithuania’s i.SAF register?

Source review: 2026-11-12 · 2 min read

Which Turkish investment notices are separate from the annual survey?

Source review: 2026-11-12 · 2 min read

United Kingdom · United States

Who sells the American service, and what is the UK company paid for?

Source review: 2026-11-12 · 2 min read

U.S. federal · United Kingdom

Whose tax residence matters—the owner’s or the company’s?

Source review: 2026-11-12 · 2 min read

Why your usual royalty is not a transfer-pricing answer

Source review: 2026-11-12 · 2 min read

Browse related collections

Browse all field guides

YOUR NEXT USEFUL STEPA considered decision starts with a clear brief.

Build our U.S. plan