On 11th June 2015 a memorandum of understanding was been signed to establish guidelines for cooperation between the Mayors of Lubuk Linggau (Peleambang) South Sumatra Indonesia, Dr S.N. Prana Putra Sohe and the Mayor of Cha-Am, Mr. Nukul Pornsomboonsiri. The MOU provides for an agreement to work together to jointly contribute on Tourism, Education and Culture Investment and the economic issues of the cities. This means to jointly identify support reporting requirements. The two partners have agreed to meet annually for planning, monitoring and program evaluations. The Governor of Petchaburi, Mr Monthien Thongnit accompanied the Cha- Am delegation to Indonesia to witness the commencement of this agreement.