1. Member States shall exempt the following transactions:

(a) the supply of goods or services under diplomatic and consular arrangements;

(aa) the supply of goods or services to the European Community, the European Atomic Energy Community, the European Central Bank or the European Investment Bank, or to the bodies set up by the Communities to which the Protocol of 8 April 1965 on the privileges and immunities of the European Communities applies, within the limits and under the conditions of that Protocol and the agreements for its implementation or the headquarters agreements, in so far as it does not lead to distortion of competition;

(ab) the supply of goods or services to the Commission or to an agency or a body established under Union law where the Commission or such an agency or body purchases those goods or services in the execution of the tasks conferred on it by Union law in order to respond to the COVID-19 pandemic, except where the goods and services purchased are used, either immediately or at a later date, for the purposes of onward supplies for consideration by the Commission or such an agency or body;

(b) the supply of goods or services to international bodies, other than those referred to in point (aa), recognised as such by the public authorities of the host Member States, and to members of such bodies, within the limits and under the conditions laid down by the international conventions establishing the bodies or by headquarters agreements;