[5][6][2] Oey Bian Kong's career as a bureaucrat started with his appointment as Boedelmeester, or State Trustee for insolvent estates, by a Resolution of June 1, 1778.

[1][3][4] To mark his installation in 1791, Oey commissioned the oldest of the eight surviving commemorative plaques of the Kong Koan, or Chinese Council, of Batavia, now conserved at Leiden University.

[4] The text begins by extolling Kapitein Souw Beng Kong, the first in the 'pedigree', then highlights the re-establishment of authority following the Chinese Massacre of 1740 and the ongoing Java War of 1741 to 1743 under Kapitein Lim Beng Ko, appointed in 1743, and the Kong Koan, newly reconstituted and recognised as an official government body in 1742.

[4] Kapitein Oey Bian Kong's plaque then declares: 'following the examples set by his illustrious predecessors, he will devote himself to the well-being of his people.

[2][7] His family maintained its position in the Chinese officership until the early twentieth century in the person of his great-great-grandson, Luitenant Oey Keng Hien, who was in office from 1899 until 1903.