Conn. Gen. Stat. § 32-540: Compliance with employment, labor and income tax laws.

The employees of exempt companies shall be considered to be employees of a company domiciled in the United States and such exempt companies shall be required to comply with applicable federal and state employment and labor laws and laws requiring the income tax imposed under chapter 229 to be deducted and withheld from wages of employees and to be paid over to the Commissioner of Revenue Services.