voluntary compliance
noun[U]
ukusLAW
theactofobeyingaparticularruleorlaw, or ofactingaccordingto anagreementwithout beingforcedto:
Voluntarycompliancewithsafetyrecommendationsis moreeffectivethanincreasedregulation.
TAX
in the US, thesystemofcollectingtaxesthattrustspeopletohonestlyreporttheincomeon which theyowetax:
Thereductionintaxratewill alsopromotevoluntarycomplianceon thepartoftaxpayersandreducetaxevasion.