Section 1. Bulletin rules of the existing Schedule Rules and Agreements are hereby modified to provide for the fol lowing:

(a) Blankable vacancies shall be designated by bulletin as "blankable" signifying that such vacancy or vacancies are open to bid or application only from protected employes.

. • • (b-1) -Where Schedule Rules provide that such

vacancies must be bulletined and no bid is received for a blankable vacancy from an eligible protected employe during the bulletin period, the vacancy will not be re-bulletined and may thereafter be filled only by an eligible protected employe having a displacement right. Such vacancy will be rebulletined on written request of the Local Chairman.

(b-2) Where Schedule Rules provide that vacancies in pool freight service are not advertised by bulletin and are filled by application, and no application is received for a blankable vacancy from an eligible protected employe, the vacancy will be filled by an eligible protected employe making application in accordance with Schedule Rules or by an eligible protected employe exercising seniority, under provisions of existing Schedule Rules.It

II

(c-1) Where Schedule 'Rules provide for the designation of "head" and/or "rear" brakeman by bulletin, such designation will not be applicable when it becomes necessary to bulletin a crew for a conductor and one brakeman only. In cases where a crew is bulletined for a conductor and one brakeman and later (account train length or workload) converts to a conductor and two brakemen, seniority will prevail as to "head" or "rear brakeman positions. '

(c-2) When a standard crew works as a reduced crew as provided in this Agreement, the "head" or "rear brakeman designation will not apply. When a standard crew is used, seniority.will prevail on the "head" or "rear" position. •