New York Consolidated Laws, Environmental Conservation Law - ENV § 34-0113. Applicability

1. in the case of subdivision of land, conditional or preliminary approval of such plat pursuant to section two hundred seventy-six of the town law, section 7-728 of the village law or section thirty-two of the general city law;  provided, however, that final plat approval is granted within six months of preliminary plat approval.

2. in the case of a site plan not involving the subdivision of land, approval by the appropriate body or office of a city, town or village of the site plan.

3. in those cases not covered by subdivision one or two of this section, the issuance of a building permit or other authorization for the commencement of the activities or development for which such permit or authorization was issued or in those local governments which do not require such permits or authorizations, the actual commencement of the activities or development.