Form 56-1 Year 2019 (thai version)
Form 56-1 Year 2018 (thai version)
Form 56-1 Year 2017 (thai version)
Form 56-1 Year 2016 (thai version)
Form 56-1 Year 2015 (thai version)
Form 56-1 Year 2014 (thai version)
Form 56-1 Year 2013 (thai version)
Form 56-1 Year 2012 (thai version)
Form 56-1 Year 2011 (thai version)
Form 56-1 Year 2010 (thai version)
Form 56-1 Year 2009 (thai version)
Form 56-1 Year 2008 (thai version)