The 1999-00 Pro League Football League for the five-year pilot of the Football Association of Thailand. The management team of the tournament in the first 3 years there will be no relegation. The Organising Committee has selected the teams from various sports associations in each sector. * Northern Region had Nakhon Sawan, Chiangmai * North Eastern Region had Sisaket, Udon Thani, Nakhon Ratchasima * Central Region had Bangkok, Nakhon Pathom, Suphanburi * Southern Region had คือ Satun, Surat Thani, Pattani, Songkhla