Im in the Southern, i looked for langauge for the southern but i will have to double check
Southern Region Supplement
Article 48
Section 6
(friend) When a permanent vacancy or permanent new job becomes open on a delivery route in a center, it shall be posted for bid on the first Monday following it becoming open by the Employer for a period of ten (10) working days. Only those package drivers in the
building shall bid.The bid will be awarded to the senior package driver and will go into effect and be assigned on the third (3rd)
Monday following the posting. If the bid requires a change of center, the employee’s classification seniority will be dovetailed in the new center.