(a) Valid Part 650 operator certificates in effect as of the day immediately preceding the effective date of this rule making remain in effect until a reclassified certificate is issued under this Part.

(b) Operator certificates subject to subdivision (a) of this section are reclassified as of the effective date of this rule making in accordance with table 4 (section 650.12 of this Part).

(c) The department shall issue new operator certificates reflecting the reclassification scheme in subdivision (b) of this section as appropriate. Certificates issued pursuant to this subdivision shall be valid for a period of five years.