This document allows the employer confirm a Verbal Warning, and to specify the exact misconduct and the improvement timescale to the employee.
Verbal warning confirmation (general) template
Documents you may find useful
Letter of concern
You would normally issue this letter to record a concern that you have over something that the employee has done for the first time, that if happens again may warrant disciplinary action.
The disciplinary policy is aimed at ensuring that issues of misconduct are managed and dealt with in a fair and consistent manner.