The offical website:http://www.customs.gov.hk/en/about_us/recruitment/customs_officer/requirements/index.html

Entry Requirements

1.   i.   have Level 2 or equivalent (Note 1) or above in five subjects in the Hong Kong Diploma of Secondary Education Examination (HKDSEE) (Note 2), or equivalent; or

      ii.   have Level 2 (Note 3) / Grade E or above in five subjects in the Hong Kong Certificate of Education Examination (HKCEE), or equivalent;

2.   have met the language proficiency requirements of Level 2 (Note 3) or above in Chinese Language and English Language in HKDSEE or HKCEE, or equivalent;

      (Notes:   (1)    For civil service appointment purpose, “Attained with Distinction” in Applied Learning subjects (subject to a maximum of two Applied Learning subjects), and Grade C in Other Language subjects in HKDSEE are accepted as equivalent to Level 3 in the New Senior Secondary subjects in HKDSEE. “Attained” in Applied Learning subjects (subject to a maximum of two Applied Learning subjects), and Grade E in Other Language subjects in HKDSEE are accepted as equivalent to Level 2 in the New Senior Secondary subjects in HKDSEE.

                    (2)   The subjects may include Chinese Language and English Language.

                    (3)   For civil service appointment purpose, Grade C and Grade E in Chinese Language and English Language (Syllabus B) in HKCEE before 2007 are accepted administratively as comparable to Level 3 and Level 2 respectively in Chinese Language and English Language in the 2007 HKCEE and henceforth.)

3.   pass an eyesight test;

4.   be able to speak fluent Cantonese;

5.   must be permanent residents of the Hong Kong Special Administrative Region; and

6.   pass a selection process.