Registering for Fall 2017 Course 15 Classes The Fall 2017 Sloan Course schedule is available in PDF and Excel. Bidding is not required for Sloan undergraduate courses: 15.0111, 15.0791, 15.279, 15.301, 15.310, 15.312, 15.359J, 15.3901, 15.3991, 15.418, 15.4331, 15.4341, 15.4371, 15.501, 15.772, 15.780, 15.S42, and 15.S43. Pre-register through WebSIS starting May 1st. Seats are held for undergraduates in these courses. For 15.401, you can register for Section A/L01 (MW 10-11:30, E51-149) or Section B/L02 (MW 1-2:30, E51-345) through online registration starting August 28th. You can do the same for both sections of 15.402. Seats will be held in these two courses for undergraduates. For information on bidding for Sloan graduate courses, access the Sloan Bidding website.