In taxation revenue-based storage is both ways, taxpayers filed a listing by way of self assessment (Self assessment) and how it is evaluated by the officer (Authoritative assessment)
For taxation purposes is both a way for taxpayers to file a self-assessment method (Self assessment) and assessment by regulators. (Authoritative assessment)
In tax collection as revenue that has both by means of taxpayers filed by the assessment itself (Self assessment). And how to evaluate the officer (Authoritative assessment).