[7] During his tenure as mayor, he established a "green village" program, planting trees in order to mitigate pollution generated by factories.

[8] He also criticized then-governor Ratu Atut Chosiyah, saying that the provincial government did not understand the issues encountered by people living close to Jakarta.

[10] In 2013, Halim was removed from his post as the head of Demokrat in Banten, which he held since October 2011, as he opposed the party's candidate for the Mayor of Tangerang succeeding him.

[11] Instead, Halim supported his younger brother and Golkar nominee Abdul Syukur, although Demokrat's candidate Arief Rachadiono Wismansyah eventually won.

[12] An academician from Syarif Hidayatullah State Islamic University Jakarta remarked that under Halim's tenure, various metrics such as investments, local government revenues and spending and the human development index all improved, but the poverty rate increased.

[17] Rumors circulated in 2018 that Halim was to join Joko Widodo's campaign team for the 2019 presidential election, and was included in its advisers list, but Demokrat (which endorsed Prabowo Subianto) denied his inclusion.