What specific features does ISO 22000 bring?
Understanding HACCP

By these terms, the standard refers to the basic conditions and activities required to maintain [...] an appropriate hygienic environment [...] (cf . definition § 3.8).

In practice, depending on the sector, PRPs are referred to as Good Manufacturing Practices (GMP), Good Hygiene Practices (GHP)....

These programs must be relevant and appropriate, approved by the team, and checks on their application planned.