Union Shop All employees who are covered by the Union's Certificate of Bargaining Authority shall maintain membership in the Union as a condition of employment. Employees who are brought within the jurisdiction of the Union's Certificate of Bargaining Authority, including newly hired employees, shall become members of the Union by the first day of the third bi-weekly pay period after their initial date of employment in the bargaining unit. Upon receipt by the Employer of written advice from the Union, employees who fail to maintain membership in the Union or the check-off of Union Dues, or an amount equal to Union Dues, shall be terminated by the Employer from their employment. Where the Employer has knowledge of an employee failing to maintain Union membership, or the check-off of Union Dues, the Employer shall so advise the Union and, in turn, the Union shall advise the employee in writing. When the Employer is advised by the Union of non-compliance of either of the above, the Employer shall terminate the services of the employee within thirty (30) days of written advice as noted above. In the event an employee is terminated pursuant to this section, the following contract provisions shall not be applicable to the employee: