For Elementary and Secondary Schools: Joint Circular No. 1, Series of 2017 of the Revised Guidelines on the Use the Special Education Fund (SEF) Posted on March 1, 2017 by DepEd Mandaluyong Leave a comment 17-03-004. Joint Circular No. 1, Series of 2017 of the Revised Guidelines on the Use the Special Education Fund (SEF) Memorandum