In October 2010, Dr. Prasarn Trairatvorakul took over the post of Governor of Bank of Thailand from Ms. Tarisa Watanagase. Banknotes with denominations 20Baht and 100Baht were issued end of January this year with new signature variety sig 82 - Korn Chatikavanij as Finance Minister and Dr. Prasarn Trairatvorakul as Governor BOT. 1000Baht banknotes with this new signature variety is now issued.
With the new elections approaching there is always of a chance of getting a new Finance Minister. This would mean another new signature variety.
Series 16 banknotes are not expected within this year.