It is usual for police officers take an oath to uphold the law. The following is a selection from different countries.

English version according to Chapter 232, schedule 1, Laws of Hong Kong

I, .. <Officer's Name> .. (swear by Almighty God/ do solemnly and sincerely declare) that I will well and faithfully serve the Government of Hong Kong Special Administrative Region according to law as a police officer, that I will obey uphold and maintain the laws of the Hong Kong Special Administrative Region that I will execute the powers and duties of my office honestly, faithfully and diligently without fear of or favour to any person and with malice or ill-will toward none, and that I will obey without question all lawful orders of those set in authority over me.

English form

Section 16(1) of the Garda Síochána Act 2005 requires each member of the Garda Síochána to make the following solemn declaration when they are appointed:

I hereby solemnly and sincerely declare before God that I will faithfully discharge the duties of a member of the Garda Síochána with fairness, integrity, regard for human rights, diligence and impartiality, upholding the Constitution and the laws and according equal respect to all people, while I continue to be a member, I will to the best of my skill and knowledge discharge all my duties according to law, and I do not belong to, and will not while I remain a member form, belong to or subscribe to, any political party or secret society whatsoever.

Section 16(2) allows the words "before God" to be omitted from the declaration at the request of the declarant.

Irish form