7. Section 20 of the Principal Act is amended—
(a) by inserting “or her” after “his” (wherever occurring); and
(b) by adding at the end the following subsection:
“(2) A person who—
(a) has been the driver of a motor vehicle on a public street or in a public place; and
(b) has had a sample of blood taken for analysis in accordance with subsection 15 (4);
is guilty of an offence if the concentration of alcohol in the blood as determined by the analysis is equal to or more than the prescribed concentration.”.