[3] This promotion was made by Léonard Pierre Joseph, Viscount du Bus de Gisignies, the recently-appointed 8th Governor-General of the Dutch East Indies; and was duly noted in a sitting of the Chinese Council on 9 March 1827.

[2] On 21 September 1837, Kapitein Tan Eng Goan was further raised to the newly created post of Majoor der Chinezen of Batavia by Dominique Jacques de Eerens, the 11th Governor-General.

[1][2] From 1848 until 1862, Majoor Tan Eng Goan also held a series of pachts or revenue farms over such diverse things as arak, rum, tobacco and wayang.

[7][2] In the late 1820s, Kapitein Tan Eng Goan initiated an annual pasar malam, or night market, held in Batavia three days prior to Lunar New Year.

[8][9] Tan's tenure as a Chinese officer was affected by his declining family finances, which forced him to patronise Batavia's foremost tobacco magnate, Oey Thai Lo.

[2] The Majoor's financial situation further deteriorated after the Oey case, which led him to sell the estates of Kramat and Kapoek in the 1860s to his eventual successor, Kapitein Tan Tjoen Tiat.

[2] Majoor Tan Eng Goan served in office until 1865, when, due to his old age and fragile health, he requested and was granted an honourable discharge from his duties by the colonial authorities.

Oey's murderous rivalry with the Majoor's son-in-law, Lim Soe Keng Sia, became part of Jakarta folklore, and formed the basis of many literary works in Malay, including Thio Tjin Boen's Tambahsia: Soewatoe tjerita jang betoel soedah kedjadian di Betawi antara tahoen 1851-1856 (published in 1903) and Tjoa Boan Soeij's Sair swatoe tjeritajang betoel soeda kedjadian di Tanah Betawi dari halnja Oeij Tambah Sia, tatkalah Sri Padoeka toean besar Duymaer van Twist mendjabat Gouverneur General koetika tahoen 1851 (published in 1906) and Tambah Sia (published in 1922).