Section 6 in The Central Information Commission (Management) Regulations, 2007
6. The Commission may have summer vacation of 2 to 4 weeks during June-July and a winter vacation of two weeks during December-January, as notified by the Chief Information Commission. The office of the Commission will, however, remain open during vacation except on gazetted holidays. The Chief Information Commissioner may make appropriate arrangements to deal with matters of urgent nature during vacations.
