It is not clear whether, having resigned, the employee in question is working her notice period, or whether the employment is now terminated. The Acas Code of Practice on Disciplinary and Grievance Procedures (the Acas Code) is designed to help parties deal with disciplinary and grievance situations in the workplace, and consequently it will apply to any written grievance brought by the employee. Grievances are defined in the Code as concerns, problems or complaints that employees raise with their employers (Acas Code, para 1). There is nothing to say that the employee must state that a letter is a grievance. For further information, see our Practice Note: Acas disciplinary and grievance code—application under the headings Acas disciplinary and grievance code—application—Key principles of the Acas Code and Acas disciplinary and grievance code—application—Grievance. As to the relevance of the Acas Code in the context of establishing liability: • where the Acas Code applies, a failure to follow it will not