N.Y. CPL Law § 410.20

§ 410.20 Modification or enlargement of conditions.\n 1. The court may modify or enlarge the conditions of a sentence of\nprobation or of conditional discharge at any time prior to the\nexpiration or termination of the period of the sentence. Such action\nmay not, however, be taken unless the defendant is personally present,\nexcept that the defendant need not be present if the modification\nconsists solely of the elimination or relaxation of one or more\nconditions. Whenever the defendant has not been present, the court\nshall notify the defendant in writing within twenty days of such\nmodification specifying the nature of the elimination or relaxation of\nsuch condition or conditions and the effective date thereof. In any\nsuch case the modification or enlargement may be specified in the same\nmanner as the conditions originally imposed and becomes part of the\nsentence.\n 2. The procedure set forth in this section applies to the imposition\nof an additional period of conditional discharge as authorized by\nsubdivision three of section 65.05 of the penal law.\n