must
A term from the College of Policing Authorised Professional Practice (APP), reproduced under the Open Government Licence with a link back to the authoritative source.
Definition
It is to be interpreted as to mean 'has to' or is 'required by law or code of practice'.
This definition is drawn from the College of Policing Authorised Professional Practice. For the full operational guidance and current wording, read it at source.
Related terms
consider
It is to be interpreted as to mean 'suggested advice or guidance'.
public order public safety (POPS)
Events and operations where there is a reasonably foreseeable risk to public order and/or public safety.
should
It is to be interpreted as to mean it is a strong recommendation based on a high evidence base.
Definition reproduced from the College of Policing Authorised Professional Practice under the Open Government Licence v3.0. See the source link above for the authoritative, current wording.