English: Government Protective Marking System
Welsh: System Marcio Amddiffynnol y Llywodraeth
Subject: Cyffredinol
English context: GPMS. The Government's administrative system to ensure that access to information and other assets is correctly managed and safeguarded to an agreed and proportionate level throughout their lifecycle, including creation, storage, transmission and destruction. The system is designed to support HMG business, and meet the requirements of relevant legislation, international standards and international agreements.