The Council shall be allowed by a County department, in which it represents employees, use of available bulletin board space for communications having to do with official organization business, such as times and places of meetings, provided such use does not interfere with the needs of the department. The Council may distribute materials to employees within the unit it represents through County mail distribution channels if approved by the Director of Human Resources. This privilege may be revoked in the event of abuse after the Director of Human Resources consults with representatives of the Council. Any representative of the Council shall give notice to the department head or his/her designated representative at least twenty-four (24) hours in advance of contacting departmental employees during and employee’s duty, provided that solicitation for membership or other internal employee organization business shall be conducted only during the non-duty hours of all employees concerned. Pre-arrangements for routine contact may be made by agreement between the Council and the department head and once made shall continue until revoked.