Village staff may expend time in the investigation and processing of procedures regulated by this chapter. In addition to Village staff involvement, the Village may retain the services of professional consultants, including but not limited to engineers, landscape architects, architects, attorneys, environmental specialists, planners, and recreation specialists, in the administration, investigation, and processing of such matters. Any person, firm or corporation requesting action by the Village on conditional use permits, permits pursuant to the supplemental regulations and amendments of this chapter shall reimburse the Village for staff time expended in the administration, investigation, and processing of applications for such permits or amendments and the cost to the Village charged by any professional consultant retained by the Village on any such matter.