41However, it follows from both the order for reference and the observations of the German Government that the starting point for the time-limit laid down in Paragraph 15(4) of the AGG is, on a teleological interpretation of that provision, not necessarily receipt of the job application rejection but the point at which the worker has knowledge of the alleged discrimination. In those circumstances, that provision is not liable to render practically impossible or excessively difficult the exercise of rights conferred by European Union law.