Form a corporation, limited liability company (LLCs), limited partnership or more and do business in New York State. The Bronx County Clerk provides Indexing and Certification of Corporation filed in this office.A new corporate tax applies to corporations and banks, other than federal S-corporations, that do business in New York City. 2020 Business Corporation Tax Forms. Documents on this page are provided in pdf format. The SCL tax experts can provide you with legal structure for your business with incorporation tax services in Bronx, New York. Find out what takes place in the formation of a corporation and the resulting tax responsibilities and required forms.