When does the examination regulation expire for this programme?

According to GymPO-1, you may complete a state examination in teacher education (Gymnasium) until 31 July 2021. At this point, you will need to have passed the first state examination. Otherwise you will be exmatriculated, but you can continue on in the Bachelor and Master of Education programmes.

Is it still possible to enroll for this programme?

If you have already studied and would like to have coursework recognised to be admitted into a higher semester, then you can apply to the programme as stated in GymPO-1. Further information can be obtained from the Student Advisory Service.