3.—(1) These Regulations apply to shipments between Member States, and into and out of the Community, other than—
(a)shipments where the quantities and concentration of the radioactive waste do not exceed the levels laid down in Article 4(a) and (b) of Directive 80/836/Euratom; and
(b)shipments where a sealed source (other than one containing fissile material) is returned by its user to the supplier of the source in another country.
(2) Transport operations necessary for any shipment to which these Regulations apply shall comply with Community and national provisions and with international agreements on the transport of radioactive material.