Question $20.$ Which Section of the Act or which

board rule best prohibits Alex's actions to specify

these valves?

A$)137\mathrm{.}57(c)$

B$)$ $$137\mathrm{.}53$

C$)$ $$137\mathrm{.}59(a)$

D$)1001\mathrm{.}4526$

E$)137\mathrm{.}63(c)(5)$