Sec. 7.37. Replacements in voluntary gangs

Replacements in voluntary gangs shall be selected from:

(a) longshoremen identified with the section or sections within the employment information center where the gang is listed, on the basis of seniority in the industry;

(b) longshoremen identified with the borough or area in which the employer's pier or terminal is located on the basis of seniority in the industry;

(c) longshoremen whose seniority classification is identified with any other section in the port on the basis of seniority in the industry; and, thereafter,

(d) any other longshoremen without regard to any seniority classification.