B. Extension of Time in the Grievance Procedure: Time limit requirements for employees and supervisors who request action on a grievance or. A demand for a jury trial in a petition for review must be filed in the reviewing court within 30 days after filing a petition for review.My certificate expires on June 30. How can I get an extension? Maximum of two extensions of time not exceeding 90 days each. The extension shall be requested in writing and justifiable cause demonstrated. My certificate expires on June 30. How can I get an extension? The 3, 5, and C trains stop here at all times except late nights, and the Z stops during rush hours in the peak direction. Extension of Time in the Grievance Procedure.