When the county legislative authority chooses to employ a county engineer on a part-time basis the terms of such employment shall be set forth in a contract adopted by resolution of the legislative authority. Such contract shall specify, but need not be limited to: Statement of legal responsibility, salary or wage arrangements, meetings with the legislative authority, travel expenses and relationship with regular employees. A copy of such resolution and contract shall be forwarded to the office of the county road administration board within five business days of adoption.

When the legislative authority chooses to contract with another county for services such contract shall be approved by resolution of both legislative authorities. Such contract shall specify, but need not be limited to: Statement of legal responsibility, salary or wage arrangements, meetings with the legislative authority, travel expenses and relationship with regular employees. A copy of the contract and both resolutions shall be forwarded to the office of the county road administration board within five business days of adoption by both counties. Any such contract shall be in accordance with the procedures of the Interlocal Cooperation Act, chapter 39.34 RCW.