Limited liability companies (LLCs) established under the law of a US state are classified by default as disregarded entities if they have only one owner. As such, these LLCs have generally not been required to file a US tax return or obtain a tax identification number. Beginning with tax year 2017, US domestic LLCs that are wholly owned, directly or indirectly, by one foreign person, are now required to obtain a US tax identification number and file an annual return, on Form 5472, reporting transactions between the LLC and its foreign owner. January 26, 2017. Download
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