In regulation 5 of the Principal Regulations—
(a) for the definition of Chapter III substitute —
""Chapter III "means the Supreme Court (Administration and Probate) Rules 2023 ;";
(b) for the definition of Chapter V substitute —
""Chapter V "means the Supreme Court (Corporations) Rules 2023 ;";
(c) insert the following definition—
""small estate" means an estate to which Part II of the Administration and Probate Act 1958 applies;".