This document discusses the role of the controller in hotel accounting. It outlines the controller's responsibilities which include accurate accounting, cost control, financial reporting and forecasting. The controller oversees the back office accounting process and supervises staff like the budget controller, credit manager and chief accountant. Key accounting documents and systems mentioned include the Uniform System of Accounts for the Lodging Industry, reservation systems, point of sale systems and property management systems. The controller prepares financial reports and analyzes income and expenses to plan the hotel's financial future.