Section 121(1)(a) is amended by repealing subparagraph (i) and substituting the following subparagraph:
“(i) a person who is for the time being in charge of a motor vehicle, because of his or her physical or mental condition (however arising),—
“(A) is incapable of having proper control of the vehicle; or
“(B) does not complete a compulsory impairment test in a manner satisfactory to an enforcement officer, who is trained to give the test, when required to do so by an enforcement officer under section 71A; or
“(C) fails or refuses to undergo a compulsory impairment test when required to do so under section 71A; or”.