For regulation 4(2)(c) of the principal Regulations there shall be substituted–
(c) when the registered bird is kept or possessed by or is under the control of a person other than its registered keeper, unless it is intended at the time when the bird begins to be so kept, possessed or controlled that it will be returned to its registered keeper within the specified period and the bird is so returned, and in this sub-paragraph “the specified period” means–
(i) where the bird will not be kept continuously at its registered address, a period of 3 weeks, and
(ii) where the bird will be kept continuously at its registered address, a period of 6 weeks;
(d) when the registered bird is kept or possessed by or is under the control of its registered keeper but ceases to be kept at its registered address, unless–
(i) it is intended at the time when the bird ceases to be so kept 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 before the bird ceases to be so kept of the new address at which it will be kept and the date from which it will be so kept.
(3) In paragraph (2)(c) and (d) above, “registered keeper” in relation to a registered bird means the person who made the application in respect of which the bird is registered by the Secretary of State, and “registered address” means the address at which the bird was kept at the date of registration by the Secretary of State, or, if an address has been notified to the Secretary of State under paragraph (2)(d)(ii) above, the address so notified or last so notified.