Definition: Date of creation [of legal unit]
International guidelines on statistical business registers
Date of incorporation for legal persons or date of official recognition as an economic operator for natural persons - The "date of official recognition" should be the date on which an identification number is given, or the date on which the legal existence was approved, be it a company/trade register number, a VAT number or other.
Eurostat, "Business registers. Recommendations manual", Methodologies and Working Papers, Publications Office of the European Union, Luxembourg, 2010