A. Any offense, a material element of which is either fraud or a breach of fiduciary obligation, within one year after discovery of the offense by an aggrieved party or by a person who has a legal duty to represent an aggrieved party and who is himself not a party to the offense, but in no case shall this provision extend beyond the period of limitation otherwise applicable by more than three years; and

B. Any offense based on misconduct in office by a public officer or employee at any time during the term of the defendant’s public office or the period of his public employment or within two years thereafter, but in no case shall this provision extend beyond the period of limitation otherwise applicable by more than three years. (Code 1975 § 1-133)