The Anti-Racism Commitment added that a pledge to racial equity did not mean "treating everyone the same or being colour blind".
It said officers must "consider cultural impact and community trauma when using their powers".
The Conservatives vowed to table amendments to the Crime and Policing Bill to block the plans.
Mr Philp told the Express: "This is Keir Starmer's two-tier justice at its very worst.
"It is appalling that this document says people should be treated differently depending on their race.
"Everyone should be treated equally before the law regardless of colour, yet this document says the opposite.
"It asks for the police to artificially engineer the same arrest and charge rates across ethnic groups, with no reference to underlying levels of criminality.
"There is no room for social engineering or insane political correctness when it comes to arresting criminals and protecting the public. I will do everything I can to get this appalling guidance reversed."
It comes after the Sentencing Council "pau...