RULE 6. LUNCH TIME. (A) Yard crews will be allowed 20 minutes for lunch between four and one-half and six hours after starting work without deduction in pay.

(b) Yard crews will not be required to work longer than six hours without being allowed 20 minutes for lunch, with no deduction in pay or time therefor. When required to work throughout two shifts, or work overtime beyond two hours on first shift, will be allowed reasonable time for meals without deduction in pay.

NOTE: This rule to apply to switchtenders except that switchtenders will be held responsible for their regular work.