(1) If the court imposes the primary sentence consecutively (or partly concurrently and partly consecutively) with an existing sentence, the court must include in the record of the primary sentence details of each existing sentence, including—
(a) the starting day of the existing sentence (or the likely starting day of a sentence that has not yet started); and
(b) the term of the existing sentence.
(2) Failure to comply with this section does not
invalidate the primary sentence or the existing sentence.