Since GM-free products yield higher prices in many countries,[16] some governments have introduced limits for the mixing of both production systems, with compensation for non-GM farmers for economic losses in cases where mixing inadvertently occurred.[17] One tool for compensation is a liability fund, to which all GM farmers, and sometimes GM seed producers, contribute.[17]:88–91 After a notable GMO contamination event in Western Australia where a certified organic farm lost certification due to GMO contamination,[18] a Parliamentary Inquiry considered six proactive proposals for compensating farms contaminated by GMOs, however the Inquiry did not recommend a particular mechanism of compensation.[19]