OBS_VALUE: Public procurement project mentioned below shall be conducted through a specific methods with limited tendering; 1. Any project less than THB 500,000/project 2. Hiring consultant less than THB 500,000/project 3. Design or construction control less than THB 5,000,000/project. Procurement project worth less than THB 100,000 doesn't require a written contract.For a tentative English translation of the Public Procurement Act B.E.2560 (2017), please see http://fad.tsu.ac.th/main/files_sec/020520193232PUBLIC%20PROCUREMENT%20AND%20SUPPLIES%202560.pdf