A special fund is created in the treasury of Clallam County in which all taxes collected from the special excise tax herein levied shall be deposited. This fund shall only be used for the purpose of paying all or any part of the cost of acquisition, construction, or operation of stadium facilities and/or convention center facilities or to pay, or secure, the payment of all, or any portion of general obligation bonds or revenue bonds, issued for such purposes, as specified herein, or to pay for advertising, publicizing, or otherwise distributing information for the purpose of attracting visitors and encouraging tourist expansion, and until withdrawn for use, the monies accumulated in such fund may be invested in interest-bearing securities by the County Treasurer in any manner authorized by law.