Functions of the Administration Police Service 
As outlined in Part IV, section 27 of the National Police Service Act, 2011, the functions of the Administrative Police Service are:

•    Provide assistance to the public when in need
•    Maintain law and order
•    Preserve peace
•    Protect life and property
•    Provide border control and border security
•    Provide specialised stock theft prevention services
•    Protection of government property, vital installations and strategic point as may be directed by the Inspector General
•    Coordinating and complementing Government agencies in conflict management and peace building
•    Apprehension of offenders
•    Performance of any other duties as may be assigned by the Inspector General in accordance with the law

Functions of the Kenya Police Service
As outlined in Part III, section 24 of the National Police Service Act, the functions of the Kenya Police are: 
•    Provide assistance to the public when in need
•    Maintenance of law and order
•    Preservation of peace
•    Protection of life and property
•    Investigation of crimes
•    Collection of criminal intelligence
•    Prevention and deduction of crime
•    Apprehension of offenders
•    Enforcement of laws and regulations with which it is charged
•    Performance of any other duties as may be assigned by the Inspector General in accordance with the law