Carmel Napier has issued a statement in which she says "the timing of her retirement was not of her choosing.
The former Gwent Chief Constable says the government must consider whether legislation around the powers of Police and Crime Commissioners to call for chiefs to retire or resign "adequately protects the independence on operational policing."
Police and Crime Commissioners have a crucial role to play in representing the people the police serve and in ensuring chief constables are held to account for the quality of service they deliver in their communities.
Chief Constables up and down the country accept and support that. However, much has been made of the need for PCCs not to stray into areas of operational policing and how important it is for chief constables to retain that independence.
The government must consider whether the legislation governing the PCCs' power to call for chiefs to retire or resign adequately protects the independence of operational policing in England and Wales.
More top news
The heaviest of the rain will ease overnight. Remaining mild but breezy around coastal areas.
Every time you give blood, you save a life. And for 70 years, more than 10 million units of blood have been donated in Wales.
A prosecution witness claimed he saw Mr Anglesea visit the house of convicted paedophile Gary Cooke.