25   Certificate evidence of concentration of alcohol in blood determined by analysis of sample of blood

(1)  In proceedings for an offence under section 7, evidence may be given of the concentration of alcohol present in the blood of the person charged, as determined by an analysis under this Part of a sample of the person’s blood.

(2)  The concentration of alcohol so determined is taken to be the concentration of alcohol in the blood of the person charged at the time the person operated the vessel concerned, if that sample of blood was taken within 2 hours after that time, unless the defendant proves that the concentration of alcohol in the defendant’s blood at that time was less than 0.02 grammes of alcohol in 100 millilitres of blood.

(3)  In proceedings for an offence under section 7, a certificate purporting to be signed by a medical practitioner and certifying any one or more of the following matters:

(a)  that the practitioner was a medical practitioner who attended a specified person at a hospital,

(b)  that the practitioner took a sample of the person’s blood in accordance with this Part on the day and at the time stated in the certificate,

(c)  that the practitioner dealt with the sample in accordance with section 16A,

(d)  that the practitioner used equipment of a specified description in so taking and dealing with the sample,

(e)  that the container was sealed, marked or labelled, in a specified manner,

      is prima facie evidence of the particulars certified in and by the certificate.

(4)  In proceedings for an offence under section 7, a certificate purporting to be signed by a police officer certifying any one or more of the following matters:

(a)  that the police officer received a portion of a sample of a specified person’s blood taken in accordance with this Part,

(b)  that the police officer arranged for the portion to be submitted for analysis by an analyst to determine the concentration of alcohol in the blood,

(c)  that the container was sealed, marked or labelled, in a specified manner,

      is prima facie evidence of the particulars certified in and by the certificate.

(5)  In proceedings for an offence under section 7, a certificate purporting to be signed by an analyst and certifying any one or more of the following matters:

(a)  that the analyst received, on a specified day, a portion of a sample of a specified person’s blood in a container submitted for analysis under this Part,

(b)  that the container, as received by the analyst, was sealed, and marked or labelled, in a specified manner,

(c)  that, on receipt by the analyst of the container, the seal was unbroken,

(d)  that the analyst carried out an analysis of the portion to determine the concentration of alcohol in the sample,

(e)  that the concentration of alcohol determined pursuant to the analysis and expressed in grammes of alcohol in 100 millilitres of blood was present in that sample,

(f)  that the analyst was, at the time of the analysis, an analyst within the meaning of the Road Transport (Safety and Traffic Management) Act 1999,

      is prima facie evidence:

(g)  of the particulars certified in and by the certificate, and

(h)  that the sample was a sample of the blood of that specified person, and

(i)  that the sample had not been tampered with before it was received by the analyst.