On July 1, 2023, Second Lieutenant Ratthakorn Khieopaisan, Executive No. 16, assigned to the Director of the Port Authority of Thailand. Presided over the ordination ceremony for Port Authority employees. On the occasion of the 72nd anniversary of the founding of PAT in 2023, between 28 June – 15 July 2023, along with Ms. Phanitta Charoenphon, Assistant Director of the Port Authority of Thailand, Port Authority Employee Inspection Division. Participated in the ceremony at Wat Pa Srithawornnimit, Nakhon Nayok Province.