It's extremely common. I'm afraid I don't have time to dig one up, but if you click around here for a while you'll find many contracts in manufacturing that spe

It's extremely common. I'm afraid I don't have time to dig one up, but if you click around here for a while you'll find many contracts in manufacturing that specify minimums per job title. https://www.dol.gov/agencies/olms/cba https://www.dol.gov/agencies/olms/cba