1. The following weightings shall be applied to the various categories of asset items, although the competent authorities may fix higher weightings as they see fit:
(a) Zero weighting
(1) cash in hand and equivalent items;
(2) asset items constituting claims on Zone A central governments and central banks;
(3) asset items constituting claims on the European Communities;
(4) asset items constituting claims carrying the explicit guarantees of Zone A central governments and central banks or of the European Communities;
(5) asset items constituting claims on Zone B central governments and central banks denominated and funded in the national currencies of the borrowers;
(6) asset items constituting claims carrying the explicit guarantees of Zone B central governments and central banks denominated and funded in the national currency common to the guarantor and the borrower;
(7) asset items secured to the satisfaction of the competent authorities, by collateral in the form of Zone A cent