If a permittee shall at any time file a false report of any date or information required by this chapter, or shall fail, refuse or neglect to file any report as required by this chapter, or to pay the full amount of any tax required by this chapter, or fail to maintain accurately any required records, the comptroller may cancel his permit; provided, however, that, before canceling any such permit, the comptroller shall notify the permittee to show cause within ten (10) days of the date of the notice why such permit should not be canceled; and provided also that at any time prior to and pending such hearing the comptroller may, in the exercise of reasonable discretion, suspend such permit.