RULE 50. NOTARY SNOW PLOW SERVICE. (a) Engineers operating rotary snow plows shall be paid at the daily rate of $.5567 for all time actually engaged in rotary snow plow service, time in excess of eight (8) hours to be paid for at the hourly rate of three-sixteenths (3/16) of the daily rate on the minute basis. Rule 96 shall apply to engineers held at any point for rotary snow plow service.

(b) The senior available qualified engineer at the terminal or on the district from which the service is protected who makes written application to the Chief Crew Dispatcher will be used for rotary snow plow service. If no written applications are on file with the Chief Crew Dispatcher, available qualified engineers on the extra board shall be used. If there are no written applications and no qualified engineers available on the extra board, the company may use any engineer who is qualified and, if taken from a regular assignment in other service he shall be paid the earnings in rotary snow plow service or the earnings of his regular assignment, whichever is greater, as provided in Rule 118.

(c) Rule 48 shall apply to engineers tied up in single crew rotary snow plow service. In double crew rotary snow plow service, Rule 51 shall apply.