(1) After any properties or property rights are acquired from funds in the advance right-of-way revolving fund, the department shall manage the properties in accordance with sound business practices. Funds received from interim management of the properties shall be deposited in the advance right-of-way revolving fund.

(2) When the department proceeds with the construction of a highway which will require the use of any of the property so acquired, the department shall reimburse the advance right-of-way revolving fund, from other funds available to it, the current appraised value of the property or property rights required for the project together with damages caused to the remainder by the acquisition after offsetting against all such compensation and damages the special benefits, if any, accruing to the remainder by reason of the state highway being constructed.

(3) When the department determines that any properties or property rights acquired from funds in the advance right-of-way revolving fund will not be required for a highway construction project the department may sell the property at fair market value in accordance with requirements of RCW 47.12.063. All proceeds of such sales shall be deposited in the advance right-of-way revolving fund.

(4) Deposits in the fund may be reexpended as provided in RCW 47.12.180, 47.12.200 through 47.12.230, and 47.12.242 through 47.12.248 without further or additional appropriations.