Tax evasion

===Privatization of tax enforcement===
[[File:(Venice) Bocca di Leone in the Doge's Palace.jpg|thumb|upright|A "Lion's Mouth" postbox for anonymous denunciations at the [[Doge's Palace, Venice|Doge's Palace]] in Venice, Italy. Text translation: "Secret denunciations against anyone who will conceal favors and services or will collude to hide the true revenue from them."]]
Professor [[Christopher Hood]] first{{Citation needed|date=July 2008}} suggested [[privatization]] of tax enforcement to control tax evasion more efficiently than a government department would,<ref>Hood, C. (1986) Privatizing UK tax Law Enforcement?, ''Public Administration'', Vol. 64, Autumn, 1986, p. 319–33.</ref> and some governments have adopted this approach. In [[Bangladesh]], customs administration was partly privatized in 1991.<ref name="ReferenceA" />{{better source|date=January 2015}}

Abuse by private tax collectors (see tax farming below) has on occasion led to revolutionary overthrow of governments who have outsourced tax administration.