(2) A new surety for a personal representative, guardian or conservator who issues a new bond or irrevocable letter of credit after the termination of a previous bond or irrevocable letter of credit written by another surety or letter of credit issuer for a personal representative, guardian or conservator shall not be liable for any acts or omissions of the personal representative, guardian or conservator which occurred prior to the issuance of the new bond or irrevocable letter of credit. [1983 c.613 §§2,3; 1991 c.331 §13]