"(a) Should the average time made by employes fall below five (5) days per week ,for two (2) consecutive pay periods the distribution of available time shall be subject for review by the Company and Shop Committee at the Committee's request. The Union Shop Committee will be provided with lists showing estimated forces required by each de partment. Twenty-four (24) hours notice will be given before hours are reduced. Established positions shall not be discontinued and new ones created under a different title or rate covering relatively the same class of work for the purpose of reducing the rate of pay or evading these regulations. If the force is to be reduced four (4) days notice will be given the men affected before reduction is made, and lists will be furnished Local Union Committeeman upon request. In case of a reduction in force or the abolition of a position, employes affected will be allowed to exercise their seniority in displacing junior employes in their respective departments. Employes will promptly exercise displacement rights so that all men affected may be placed within five (5) days. In the restoration of forces, employes furloughed and then recalled must report their intention to return to work within ten (10) days, and must report for work within thirty (30) days from the date of their recall. Notice by registered mail will be sent employes being recalled. Employes shall notify Employment Office of any change in address."