合約登記主任主要會獲派往入境事務處各人事登記辦事處或其他辦事處，同時執行與下列一項或多項職能範圍有關的客戶服務、文書或秘書工作：(a)處理與簽發身份證有關的申請；(b)客戶服務；(c)一般辦公室工作；及(d)其他指派職務。

註：合約登記主任有可能須不定時或輪班或在週六、週日及公眾假期工作、工作時穿著制服、獲派到入境事務處其他辦事處、或偏遠地區或執行戶外工作。

A Contract Registration Officer is mainly deployed to Registration of Persons Offices or other offices of the Immigration Department to perform multi-tasks involving customer service, clerical or secretarial duties relating to one or a combination of the following areas: (a) processing applications relating to Hong Kong identity card matters; (b) customer service; (c) general clerical support; and (d) other duties as assigned in any office of the Immigration Department.

Note: A Contract Registration Officer may be required to work irregular hours or shifts or on Saturdays, Sundays and public holidays, wear uniform at work, work for other offices of the Immigration Department, or work in remote areas or perform outdoor duties.