This excerpt taken from the YRCW 8-K filed Feb 11, 2008.
Posting Seniority List
(d) The Employer shall give the Local Union a seniority list at least every six (6) months. The Employer shall also post a seniority list at least once every six (6) months and shall maintain a current seniority roster at the terminal. Protest of any employees seniority date or position on such list must be made in writing to the Employer within thirty (30) days after such seniority date or position first appears, and if no protests are timely made, the dates and positions posted shall be deemed correct. Any such protest which is timely made may be submitted to the grievance procedure.