If, after the return of an inventory or list of debts, personal estate or debts due the decedent, not included therein, shall come to the knowledge of the executor or administrator, the executor or administrator shall cause an additional inventory or list to be made and returned into the Register of Wills’ office.

Code 1852, § 1815; Code 1915, § 3369; Code 1935, § 3834; 12 Del. C. 1953, § 1911; 59 Del. Laws, c. 384, § 1; 70 Del. Laws, c. 186, § 1