What is the fine-grained topic of the following text: With the objective of ensuring the safety and security of the trekkers and to control the illegal trekking operations in Nepal Himalaya, the provision of Trekkers' Information Management System (TIMS) came into effect on January 1, 2008 after signing the MoU between the Trekking Agencies Association of Nepal (TAAN) and Nepal Tourism Board (NTB). Only return the topic.
Implementation of Trekkers' Information Management System in Nepal