The board has authority to adjust license and filing fees through regulations promulgated pursuant to the Administrative Procedures Act and to employ examiners, clerks, and stenographers and other employees as the administration of this chapter may require. The board also has authority to appoint and employ investigators who shall have, in any case in which there is a reason to believe a violation of this chapter or of any order or regulation promulgated under the provisions of this chapter has occurred or is about to occur, the right and power to serve subpoenas and to swear out and execute search warrants.