Permits issued in accordance with NRS 202.370 to 202.440, inclusive, may be revoked by the issuing authority at any time when it shall appear that the need for the possession or transportation of such shells, cartridges, bombs, weapons, or protective system involving the use of the same, has ceased, or that the holder of the permit has engaged in an unlawful business or occupation or has wrongfully made use of such shells, cartridges, bombs or weapons or the permit issued.