For Public Elementary & Secondary Schools: Extension of Deadline for Encoding of the BOSY 2014-2015 Enrolment Data in the Learner Information System (LIS) Posted on July 8, 2014 by MSM13 Leave a comment 683. Extension of Deadline for Encoding of the BOSY 2014-2015 Enrolment Data in the Learner Information System (LIS) Memorandum