02 SUBSTITUTION: A Masters degree in Architecture, Civil Engineering, Geography, Economics, Sociology, Business Administration, Public Administration, or a related field from an accredited college or university may be substituted for two years of professional work experience in architecture, engineering, or socio-economic research. Substitution: A Masters degree in Architecture, Civil Engineering, Geography, Economics, Sociology, Business Administration, Public Administration, or a related field from an accredited college or university may be substituted for two years of professional work experience in architecture, engineering, or socio-economic research.