N.Y. Surr. Ct. Proc. Act § 1756
When it shall appear to the satisfaction of the court that such person who is intellectually disabled or person who is developmentally disabled for whom an application for guardianship is made is eighteen years of age or older and is wholly or substantially self-supporting by means of his or her wages or earnings from employment, the court is authorized and empowered to appoint a limited guardian of the property of such person who is intellectually disabled or person who is developmentally disabled who shall receive, manage, disburse and account for only such property of said person who is intellectually disabled or person who is developmentally disabled as shall be received from other than the wages or earnings of said person.
The person who is intellectually disabled or person who is developmentally disabled for whom a limited guardian of the property has been appointed shall have the right to receive and expend any and all wages or other earnings of his or her employment and shall have the power to contract or legally bind himself or herself for such sum of money not exceeding one month's wages or earnings from such employment or three hundred dollars, whichever is greater, or as otherwise authorized by the court.
N.Y. Surr. Ct. Proc. Act Law § 1756