§ 177-c. Special narcotics parts; prosecutorial organization. The district attorneys of the counties wholly contained in a city having a population of one million or more shall formulate and adopt a plan designed to effect the purposes of this article. The plan shall provide for the following matters:

(i) the appointment of an assistant district attorney to the staff of one of the district attorneys to administer the program established pursuant to the plan;

(ii) the appointment of a staff to operate under the direction and supervision of the assistant district attorney appointed pursuant to paragraph (i);

(iii) the establishment of standards, administrative policies, and procedures to govern the performance of the prosecutorial functions in connection with narcotics cases, including but not limited to guidelines governing applications by the assistant district attorney appointed pursuant to paragraph (i) for the impaneling of a grand jury; and

(iv) any other matters, pertaining to the effective administration of the program and fulfillment of the purposes of this article.