Surprisingly that shocks me, even my last two center managers would pull that book out and look through it to see if I had a right to what I was arguing about.
I was in Operations in Georgia which is a RTW state.
Never had any issues really.
Different culture, different company, different Union, different workers.
I was in Non-Operation positions from 1990 - 2013 ... I consulted IE and Labor several times a year though.
I didn't read the contract because I needed UPS's official position on an point in the contract.