New York Consolidated Laws, Domestic Relations Law - DOM § 241. Interference with or withholding of visitation rights;  alimony or maintenance suspension

When it appears to the satisfaction of the court that a custodial parent receiving alimony or maintenance pursuant to an order, judgment or decree of a court of competent jurisdiction has wrongfully interfered with or withheld visitation rights provided by such order, judgment or decree, the court, in its discretion, may suspend such payments or cancel any arrears that may have accrued during the time that visitation rights have been or are being interfered with or withheld.  Nothing in this section shall constitute a defense in any court to an application to enforce payment of child support or grounds for the cancellation of arrears for child support.