All certificates of acknowledgment to deeds and other writings, taken and certified by notaries public and commissioners in chancery, and all depositions taken, accounts and reports made, and decrees executed by any notary public, commissioner in chancery, or commissioner of accounts, who, since January 1, 1989, may have held the office of county treasurer, sheriff, attorney for the Commonwealth, county clerk, commissioner of the revenue, superintendent of the poor, county surveyor, or supervisor shall be held and are hereby declared valid and effective in all respects if otherwise valid and effective according to the law then in force.