(2) Five years of responsible full-time paid experience in an administrative or management position, where there is responsibility for planning, directing, and coordinating the work of a substantial staff working in several units or performing several separate functions.
(d) Post-graduate training. Post-graduate training, at a recognized college or university, in social work, public administration, hospital administration, educational administration or business administration, shall be the equivalent, on a year for year basis up to two years, of the above prescribed experience. However, no such post-graduate training shall be the equivalent of the administrative or supervisory experience prescribed in paragraph (1) of subdivision (b) of this section.