(1) A duly completed statement purporting to have been supplied under section 13 shall, until the contrary is shown, be sufficient evidence in any proceedings under the Road Traffic Act 1961 to 2023 of the facts stated in it, without proof of any signature on it or that the signatory was the proper person to sign it, and shall, until the contrary is shown, be sufficient evidence of compliance by the member of the Garda Síochána concerned with the requirements imposed on him or her by or under Chapter 4 prior to and in connection with the supply by him or her under section 13 of such statement.

(2) A duly completed form under section 15 shall, until the contrary is shown, be sufficient evidence in any proceedings under the Road Traffic Act 1961 to 2023 of the facts stated in it, without proof of any signature on it or that the signatory was the proper person to sign it, and shall, until the contrary is shown, be sufficient evidence of compliance by the designated doctor or designated nurse concerned with the requirements imposed on him or her by or under Chapter 4.