Section 89: Documentation of arrest, witnesses and death in police station.

1 Where a person appears in a police station in respect of an offence or an allegation of the commission of an offence either as an accused person or a witness, or as a relation or friend of an accused person or a witness, the duty officer or such other officer as may be authorised by the officer-in-charge of the police station shall enter in the official record book:
a the name of the person and his national identity number, if any;
b the date of birth of the person;
c the reason for the person's visits;
d the name and address of the person's next-of-kin;
e the exact time the person comes to the station and leaves, for everyday he visits; and
f any ailment or medical condition which the person has.

2 The particulars mentioned in subsection (1) shall be updated each day the person remains in custody in the police station.

3 Where, in the discharge of the police duty, a person is shot, wounded or killed, the officer commanding the operation shall record:
a the number of those wounded or killed, the names of the victims or their description as much as possible; and
b efforts taken to ensure hospitalisation of the wounded or proper preservation of the dead.

4 A police officer who fails to keep appropriate records referred to in subsections (1), (2) and (3) commits a serious misconduct, which shall attract disciplinary measure.

5 The Inspector-General of Police shall give a quarterly report to the Police Service Commission itemising the number and identity or persons who:
a were detained in all police formations across Nigeria;
b were charged and prosecuted in the courts in Nigeria and the outcome of their cases;
c were killed or wounded during police operations across Nigeria; and
d died in police custody.