The Central Collection Unit shall charge the debtor a collection fee of 17 percent on all accounts referred for collections, except on accounts referred to the Unit solely for collection under the tax refund intercept program. For all collections resulting from the Central Collection Unit's efforts: The Central Collection Unit shall deduct from the proceeds a charge for administrative expenses and additional expenses, such as court costs and witness fees; The charge for administrative expenses is 17 percent of the total proceeds; The charge for administrative expenses on accounts referred to the Central Collection Unit solely for collection under the Tax Refund Intercept Program is 10 percent of the total proceeds. The charges in §§A and B of this regulation may be waived or reduced at the discretion of the Central Collection Unit. On an account forwarded by the Central Collection Unit to an out-of-State attorney or to a commercial collection agency, the fee paid to the attorney or collection agency, plus court costs, witness fees, and other expenses, shall be deducted from any proceeds. Under these circumstances, a fee may not be charged for the Central Collection Unit's efforts.