No less than ten days before opening of a race meet each association licensed to conduct a race in Washington must file with the commission:

(1) A financial statement of the association.

(2) A list of stockholders and the amount of stock held by each. Any change in the officers or stockholders, or in the holdings of any individual stockholder of an association must be reported to the commission immediately. This rule will apply during the entire term of any license granted by the commission.

The commission may require additional information in writing from the association, or it may ask the officers of any association to appear in person to provide additional information.