California Code, Welfare and Institutions Code - WIC § 277

The probation officer may authorize the sale of articles of handiwork made by wards under the jurisdiction of the probation officer to the public at probation institutions, in public buildings, at fairs, or on property operated by nonprofit associations.  The cost of any county materials or other property consumed in the manufacture of articles shall be paid for out of funds received from the sale of the articles.  The remainder of any funds received from the sale of the articles shall be placed in the ward's trust account pursuant to subdivision (b) of Section 276.