Nurses must show they have undertaken at least 450 practice hours every three years in order to maintain their professional registration with the Nursing and Midwifery Council (NMC). This article offers a step-by-step guide to how to log your practice hours, the information you need to provide to the regulator, and what you can do if you are struggling to meet the requirement, such as taking a return to practice course or test of competence, or seeking an extension to your revalidation deadline.