can be revoked, expressly provides that the term of probation does not run during any period in which the probationer is imprisoned for a period of at least thirty days. 18 U.S.C. §§ 3564, 3565 (Supp. V 1988). 8 . We note that the tolling of probation during periods of imprisonment also raises an issue of notice. In previous cases involving the revocation of probation after term, we have indicated our concern that timely notice be given the probationer that the court intends to revoke his probation. Thus, in Dent, supra, we stated that where there is no formal extension of the probationary period, the trial court must take "appropriate steps” prior to the expiration of probation "to put the probationer on notice that probable cause exists for revocation of probation." 465 A.2d at 843 (<HOLDING>). Similarly, we have maintained that ex parte
holding that all data necessary to show probable cause for the issuance of a search warrant must be contained within the four corners of the affidavit holding that issuance of an order to show cause satisfied this requirement holding that issuance of a protective order or other probable cause of abuse precludes court ordered mediation holding that a deportation proceeding commenced after an order to show cause issued holding in the iirira context that the combination of service of the order to show cause and the issuance of a detainer notice sufficed to begin the proceedings