An intercompany agreement, or sometimes referred to as an ICA, is a legal document that helps facilitate two or more companies owned by the same parent company in exchange for financing, goods, services, or other exchanges.
As a foreign corporation, you are required to register with the Department of State if you are "doing business" in the State of New York. Note: Foreign corporations are not required to have a physical office or a registered agent located within the jurisdiction of New York.