Registration of Class of Data Users
The Registration Regulation requires certain Class of Data Users to register with the Personal Data Protection Commissioner. They are:

Banks & Financial Institutions
(a) A licensed bank and licensed investment bank under the Financial Services Act 2013 [Act 758].
(b) A licensed islamic bank and licensed international islamic bank under the Islamic Financial Services Act 2013 [Act 759].
(c) A development financial institution under the Development Financial Institution Act 2002 [Act 618]

Communications
(a) A licensee under the Communications and Multimedia Act 1998 [Act 588].
(b) A licensee under the Postal Services Act 2012 [Act 741].

Real Estate
(a) A licensed housing developer under the Housing Development (Control and Licensing) Act 1966 [Act 118].
(b) A licensed housing developer under the Housing Development (Control and Licensing) Enactment 1978, Sabah.
(c) A licensed housing developer under the Housing Developers (Control and Licensing) Ordinance 1993, Sarawak.

Tourism & Hospitalities
(a) A licensed person who carries on or operates a tourism training institution, licensed tour operator, licensed travel agent or licensed tourist guide under the Tourism Industry Act 1992 [Act 482].
(b) A person who carries on or operates a registered tourist accommodation premises under the Tourism Industry Act 1992.

Health
(a) A licensee under the Private Healthcare Facilities and Services Act 1998 [Act 586].
(b) A holder of the certificate of registration of a private medical clinic or a private dental clinic under the Private Healthcare Facilities and Services Act 1998.
(c) A body corporate registered under the Registration of Pharmacists Act 1951 [Act 371].

Insurance & Takaful
(a) A licensed insurer under the Financial Services Act 2013.
(b) A licensed takaful operator under the Islamic Financial Services Act 2013.
(c) A licensed international takaful operator under the Islamic Financial Services Act 2013.

Education
(a) A private higher educational institution registered under the Private Higher Educational Institutions Act 1996 [Act 555].
(b) A private school or private educational institution registered under the Education Act 1996 [Act 550].

Direct Selling
A licensee under the Direct Sales and Anti-Pyramid Scheme Act 1993 [Act 500].

Pawnbroker
A licensee under the Pawnbrokers Act 1972 [Act 81]

Services
(a) A company registered under the Companies Act 1965 [Act 125] or a person who entered into partnership under the Partnership Act 1961 [Act 135] carrying on business as follows:
(i) legal;
(ii) audit;
(iii) accountancy;
(iv) engineering; or
(v) architecture.
(b) A company registered under the Companies Act 1965 or a person who entered into partnership under the Partnership Act 1961, who conducts retail dealing and wholesale dealing as defined under the Control Supplies Act 1961 [Act 122].
(c) A company registered under the Companies Act 1965 or a person who entered into partnership under the Partnership Act 1961, who carries on the business of a private employment agency under the Private Employment Agencies Act 1981 [Act 246].

Aviation
(a) Malaysian Airlines System (MAS).
(b) Air Asia.
(c) MAS Wings.
(d) Air Asia X.
(e) Firefly.
(f) Berjaya Air.
(g) Malindo Air.

Moneylender
A licensee under the Moneylenders Act 1951 [Act 400].

Utilities
(a) Tenaga Nasional Berhad.
(b) Sabah Electricity Sdn. Bhd.
(c) Sarawak Electricity Supply Corporation.
(d) SAJ Holding Sdn. Bhd.
(e) Air Kelantan Sdn. Bhd.
(f) LAKU Management Sdn. Bhd.
(g) Perbadanan Bekalan Air Pulau Pinang Sdn. Bhd.
(h) Syarikat Bekalan Air Selangor Sdn. Bhd.
(i) Syarikat Air Terengganu Sdn. Bhd.
(j) Syarikat Air Melaka Sdn. Bhd.
(k) Syarikat Air Negeri Sembilan Sdn. Bhd.
(l) Syarikat Air Darul Aman Sdn. Bhd.
(m) Pengurusan Air Pahang Berhad.
(n) Lembaga Air Perak.
(o) Lembaga Air Kuching.
(p) Lembaga Air Sibu.