(1) A registration ceases to have effect in any of the following circumstances—
(a) when the registered bird–
(i) dies;
(ii) escapes or is released into the wild;
(iii) is disposed of by way of sale or otherwise; or
(iv) is exported from the United Kingdom;
(b) when the ring obtained from the Secretary of State, or, as the case may be, the CITES marking is removed, or the identifying information on it or stored within it, can no longer be read;
(c) when the registered bird is kept by a person other than its registered keeper, unless at the time when the bird begins to be so kept, the registered keeper intends that it will be returned to him within the specified period and the bird is so returned;
(d) when the registered bird is kept by its registered keeper but ceases to be kept at its registered address, unless—
(i) at the time when the bird ceases to be so kept the registered keeper intends that it will be returned to its registered address within 3 weeks and the bird is so returned; or
(ii) the Secretary of State is notified in writing in accordance with paragraph (2) of the new address at which the bird will be kept.
(2) The notification referred to in paragraph (1)(d)(ii) must—
(a) be made before the bird ceases to be kept at the registered address; and
(b) contain the date from which the bird will be kept at the new address.
(3) In this regulation—
(a) “registered keeper”, in relation to a registered bird, means the person registered as keeper of the bird in the register maintained by the Secretary of State under regulation 3(1);
(b) “the specified period” means—
(i) in circumstances where the bird will not be kept continuously at its registered address, a period of 3 weeks; or
(ii) in circumstances where the bird will be kept continuously at its registered address, a period of 6 weeks.