(a) In this section, the word "clerk" includes a county clerk, district clerk, or county and district clerk.
(b) A clerk shall complete 20 hours of instruction regarding the performance of the clerk's duties of office before the first anniversary of the date the clerk assumes those duties.
(c) After the first anniversary of the date a clerk assumes the duties of office, the clerk must each calendar year complete 20 hours of continuing education courses.
(d) A clerk may carry over from the current calendar year to the following calendar year not more than 10 hours of completed continuing education courses that exceed the number of hours of completed continuing education courses required under Subsection (c).
(e) As part of the 20 hours of initial instruction and of continuing education courses prescribed under this section, a district clerk must complete one hour of instruction on impaneling petit and grand juries.