Callback from Vacation
(a) Employees who have commenced their annual vacation shall not be called back to work, except in cases of extreme emergency.
(b) When, during any vacation period, an employee is recalled to duty, he/she shall be reimbursed for all reasonable expenses incurred by himself/herself, in proceeding to his/her place of duty and in returning to the place from which he/she was recalled upon resumption of vacation, upon submission of receipts to the Employer.
(c) Time necessary for travel in returning to his/her place of duty and returning again to the place from which he/she was recalled shall not be counted against his/her remaining vacation time.