You can not take a Lab course if are unable to take the theory course of that lab. For example, if you are unable to take Physics 2 theory course, then you can not take Physics 2 Lab course.
You have to have at least 17 marks in the first 50 to enroll in retake course. For example, if you get less than 17 in Electrical Circuit I theory, then you would not be able to take Electrical Circuit I as a Retake course.
You have to pay full enrollment fee before 29th April 2019. Failure to pay within that day will be considered as cancellation of enrollment. You cannot pay these fees in installments.