This approval must be obtained at least 24 hours in advance of your scheduled lab time. Do not skip a lab and then just show up at another lab. You will not be allowed to makeup any lab for which prior approval was not granted.
Permission is granted only in emergency situations and is at the discretion of both instructors.
If you need to reach your instructor to request permission to attend another lab, you should phone them at the number given to you in the handouts distributed the first lab period. You can also send them an e-mail . If you use e-mail to request permission to attend another lab, please allow at least 48 hours for a response.