Most are employed in the construction, primary and fishing industries or as domestic help. The Thai Government runs a verification process for migrants, but uptake has been low with the majority of migrants remaining illegal. As such they are denied access to healthcare or the minimum wage. There have been many reports of exploitation of illegal migrants and organised trafficking. Thailand has not ratified the 1951 Refugee Convention and lacks proper refugee and asylum laws. Refugees in Thailand are required to stay in camps.