(1)  The Registrar is to retain every recording made by the recording apparatus referred to in rule 12 of any proceedings or part of any proceedings –

(a) for the appropriate period; or

(b) for such other period as the Court or a judge may, in any particular case, direct.

(2)  For the purposes of this rule, the " appropriate period " means –

(a) in respect of proceedings heard before 1 January 2005 –

(i) in which a person has been sentenced to serve a term of imprisonment, a period equal to the length of that term; and

(ii) in which a person has been sentenced to serve a term of imprisonment but the execution of that term, or part of that term, has been suspended, a period equal to the aggregate of the period for which the sentence was suspended and the period of the term of imprisonment; and

(iii) in which a probation order has been made, a period equal to the aggregate of the period of that order and the period of any sentence of imprisonment imposed at the time of the making of the order; and

(iv) which are not covered by subparagraph (i) , (ii) or (iii) , a period of 3 years; and

(b) in respect of proceedings heard on or after 1 January 2005, a period of 50 years.