The presentence report shall not be a public record. It shall be available only to the following persons or agencies under the conditions stated:
(1) The report shall be available to the court for the purpose of assisting it in determining the sentence.
(2) The report shall be available on court order to persons or agencies having a legitimate professional interest in the information likely to be contained in the report, as, for example:
(i) A physician or psychiatrist appointed to assist the court in sentencing.
(ii) An examining facility.
(iii) A correctional institution except that no court order is necessary under section 9759(c) (relating to documents transmitted to prison and parole authorities).
(iv) A department of probation or parole except that no court order is necessary under section 9759(c).
(3) The report shall be available to reviewing courts when relevant to an issue on which a request for review or an appeal has been taken.