(1) "Promptly" with reference to the refund and return of a person's funds and consideration, referred to in RCW 19.105.390 shall be as follows:

(a) For cash, cashiers checks, money orders, credit card slips held and not processed and other similar consideration, the operator or its agents shall make refunds within ten business days of a demand.

(b) For credit card purchases where the operator has processed the credit card slip(s) to the care of the credit card company, the operator shall notify the credit card company of a credit to the account of the purchaser within three business days of a demand.

(c) Promissory notes and similar evidences of debt shall be voided and returned within three business days of demand.

(d) Within ten business days after demand, the operator or its agents shall give the purchaser evidence that the purchase commitment has been voided.

(2) No purchaser camping resort contract, promissory note or other evidences of debt may be sold, transferred, hypothecated or pledged by an operator until at least five business days after the termination of the statutory-prescribed cancellation term.

(3) No fees or charges may be made of a purchaser by an operator for use of written materials or camping resort facilities offered gratuitously prior to the cancellation request; however, nothing in this statement shall preclude an operator from requiring return of materials in the custody of a purchaser not including the public offering statement.