(1) [whether] the learned Magistrate erred in law by holding that a Defence under Section 49(4) of [the Act]:
(i) was not made out by the Defendant establishing that the machine used for the breath analysis was operated contrary to the manufacturers' instructions and/or scientific dictates;
(ii) was made out only if the machine was proved to have been used contrary to -
A. the manufacturers' instructions; and/or
B. scientific dictates -
and that the use would result in an incorrect result being obtained.
(2) [whether] the learned Magistrate erred in law by holding (if he so held) that a Defence under section 49(4) of the Act:
(a) was not made out by the Defendant establishing that the witness McDaid conducted a standardisation test in purported compliance with Regulation 302(3) of the Road Safety (Procedures) Regulations 1988 in circumstances in which she conducted the standardisation contrary to the manufacturers' instructions and/or scientific dictates;
(b) was made out only if the standardisation test as conducted was proved to have been done contrary to:
(i) the manufacturers' instructions; and/or
(ii) scientific dictates -
and which [sic] would result in an incorrect result being obtained.