This document outlines the guidelines and processes related to automatic enrolment staging dates for employers, including how these dates are calculated based on the size of PAYE schemes as of April 1, 2012. It details employer duties upon reaching the staging date, options for changing the staging date, and the impact of organizational changes such as mergers or acquisitions. Additionally, it provides useful resources and tools for employers to determine their staging dates and manage their automatic enrolment responsibilities.