N.Y. Gen. Constr. Law § 62

§ 62. Size of type. Whenever a requirement of law relating to size of\ntype is stated in point size, the type size requirement shall be deemed\nmet if the x-height of the type is a minimum of forty-five percent of\nthe specified point size. Each point shall be measured as .351\nmillimeter. The x-height size shall be measured as it appears on the\npage. The x-height is the height of the lower case letters, exclusive of\nascenders or descenders.\n