RULE 120. ATTENDING COURT AND BUSINESS FOR COMPANY.  Engineers attending court or other business on behalf of the Company will be reimbursed and paid as follows in addition to necessary expenses:  

(a) Engineers in the established pool, or on assigned runs, will receive what they would have earned had they remained on assignments.  

(b) Extra engineers will be allowed one day's pay, at the minimum freight rate applicable to the district to which assigned for each day held away from service, provided while relieving a regularly assigned engineer, he will be entitled to what he would have earned on the assigned run such time as he is eligible to hold such run.  If displaced from the regular assignment while he is still on company business, he will receive only a minimum day for each day thereafter that he is withheld from the extra board.  

(c) Deadheading will be paid for in accordance with Rule 102 to engineers attending court or other business on behalf of the company of the category to which this Rule 129 is applicable, in addition to payments under this rule for time lost and expenses.