Surveyors who have obtained a surveyor's license and have completed the following period of working as a surveyor will be classified and given a surveyor's license after the commencement of this rule:-
(a) Surveyors who have worked regularly as surveyors for a period of more than fifteen years in category “A”,
(b) “B” category to surveyors who have worked regularly as surveyors for ten to fifteen years,
(c) “C” category to surveyors who have worked regularly as surveyors for five to ten years,
(d) "D" category for surveyors who have worked as surveyors regularly for five years.