section 258(4)


258(4) If, at the time a sample of an accuseds blood is taken, an additional sample is taken and retained, a judge of a superior court of criminal jurisdiction or a court of criminal jurisdiction shall, on the summary application of the accused made within six months after the day on which the samples were taken, order the release of one of the samples for the purpose of examination or analysis, subject to any terms that appear to be necessary or desirable to ensure that the sample is safeguarded and preserved for use in any proceedings in respect of which it was taken.