Do Landlords Need to Provide the Latest How To Rent Guide?

Is it correct that an updated How To Rent Guide must be sent to a tenant before serving a Section 21 if the tenancy was done through yourselves and has now gone contractual periodic? The tenants in question were sent the current one (built into the AST) when the tenancy was created (2018). Do I need to send the most recent pink one to be on the safe side?

View Related Handbook Page