[2] Prior to the GE-14, Teo recorded a video promising to recognize Malaysia Chinese independent high school Unified Examination Certificate once Pakatan Harapan formed the federal government.

[3] Education Minister Dr Maszlee Malik confirmed that Pakatan Harapan will stick to its manifesto and recognise the UEC as a legitimate entry requirement for tertiary studies.

[5] On 30 October 2023, Teo has told organisers of foreign artistes concert to create a ‘Kill Switch’ to avoid repeating the incident by The 1975 at Good Vibes Festival 2023.

[6] On 25 July 2019, Sin Chew Daily front-paged that the following year's Standard 4 Bahasa Malaysia syllabus would contain six pages of introduction to Jawi script in all vernacular schools.

[9] In the 2013 general election, Teo switched to the state of Johor, in the Barisan Nasional stronghold Kulai, and defeated their candidate Tay Chin Hein by 13,450 out of 43,338 votes.