N.Y. General Business Law § 352-K
1. Every broker-dealer registered or required to be registered in this state shall have and maintain a net capital of not less than five thousand dollars. The term net capital shall be deemed to mean the net worth of a broker or dealer (that is, the excess of total assets over total liabilities), adjusted by
(c) deducting the percentages specified below of the market value of all securities, long and short (except exempted securities) in the capital, proprietary and other accounts of the broker or dealer, including securities loaned to the broker or dealer pursuant to a satisfactory subordination agreement, as hereinafter defined, and if such broker or dealer is a partnership, in the accounts of partners, as hereinafter defined:
(h) For the purposes of this section only the term "exempted securities" shall mean:
(k) the term "satisfactory subordination agreement" shall mean a written agreement between the broker or dealer and a lender, which agreement is binding and enforceable in accordance with its terms upon the lender, his creditors, heirs, executors, administrators, and assigns, and which agreement satisfies all of the following conditions: