rehabilitation, or alcohol or controlled substance abuse treatment and rehabilitation pursuant to this section shall pay directly to such program a fee in an amount to be determined by the department of public health . . . No person may be excluded from said program for inability to pay the stated fee, provided that such person files an affidavit of indigency or inability to pay with the court within ten days of the date of disposition, that investigation by the probation officer confirms such indigency or establishes that the payment of such fee would cause a grave and serious hardship to such individual or to the family of such individual, and that the court enters a written finding thereof. In lieu of waiver of the entire amount of said fee, the court may direct such individual to make partial or installment payments of such fee when appropriate. Subject to appropriation, the department of public health shall reimburse each program for the costs of services provided to persons for whom payment of a fee has been waived on the grounds of indigency.

no person shall be excluded from said programs for inability to pay, provided that such person files an affidavit of indigency or inability to pay with the court, that investigation by the probation officer confirms such indigency or establishes that the payment of such fee would cause a grave and serious hardship to such individual or to the family of such individual, and that the court enters a written finding thereof. In lieu of waiver of the entire amount of said fee, the court may direct such individual to make partial or installment payments of the cost of said program.