(a) When any permit is revoked or suspended after a final decision pursuant to chapter 54 or upon forfeiture of bond under the provisions of section 30-57 , an appeal therefrom shall not act as a stay of execution upon such revocation or suspension. Such revocation or suspension shall become effective immediately.
(b) When any permit is revoked or suspended for violation of the provisions of section 30-38a , an appeal therefrom, may, at the discretion of the court, act as a stay of execution upon such revocation or suspension.