“The respondent [mother] has made clear that her case is that: (a) when she left Australia in mid-late June (sic) 2017 with the children she had no intention to return to Australia, and no intention to remain in England and (b) in the alternative, the latest date of retention is by27 March 2018 .”
“43. When the left-behind parent agrees to the child travelling abroad, he is exercising, not abandoning, his rights of custody. Those rights of custody include the right to be party to any arrangement as to which country the child is to live in. It is not accurate to say that he gives up a right to veto the child’s movements abroad; he exercises that right by permitting such movement on terms. He has agreed to the travel only on terms that the stay is to be temporary and the child will be returned as agreed. So long as the travelling parent honours the temporary nature of the stay abroad, he is not infringing the left-behind parent’s rights of custody. But once he repudiates the agreement, and keeps the child without the intention to return, and denying the temporary nature of the stay, his retention is no longer on the terms agreed. It amounts to a claim to unilateral decision where the child shall live. It repudiates the rights of custody of the left-behind parent, and becomes wrongful. 44. The plain purpose of the Abduction Convention is to prevent the travelling parent from pre-empting the left-behind parent. The travelling parent who repudiates the temporary nature of the stay and sets about making it indefinite, often putting down the child’s roots in the destination State with a view to making it impossible to move him home, is engaging in precisely such an act of preemption. 45. It is possible that there might also be other cases of preemptive denial of the rights of custody of the left-behind parent, outside simple refusal to recognise the duty to return on the due date. It is not, however, necessary in the present case to attempt to foresee such eventualities, or to consider whether fundamental failures to observe conditions as to the care or upbringing of the child might amount to such pre-emptive denial. It is enough to say that if there is a pre-emptive denial it would be inconsistent with the aim of the Abduction Convention to provide a swift, prompt and summary remedy designed to restore the status quo ante to insist that the left-behind parent wait until the aeroplane lands on the due date, without the child disembarking, before any complaint can be made about such infringement.”
“51. As with any matter of proof or evidence, it would be unwise to attempt any exhaustive definition. The question is whether the travelling parent has manifested a denial, or repudiation, of the rights of the left-behind parent. Some markers can, however, be put in place. (i) It is difficult if not impossible to imagine a repudiatory retention which does not involve a subjective intention on the part of the travelling parent not to return the child (or not to honour some other fundamental part of the arrangement). The spectre advanced of a parent being found to have committed a repudiatory retention innocently, for example by making an application for temporary permission to reside in the destination State, is illusory. (ii) A purely internal unmanifested thought on the part of the travelling parent ought properly to be regarded as at most a plan to commit a repudiatory retention and not itself to constitute such. If it is purely internal, it will probably not come to light in any event, but even supposing that subsequently it were to do so, there must be an objectively identifiable act or acts of repudiation before the retention can be said to be wrongful. That is so in the case of ordinary retention, and must be so also in the case of repudiatory retention. (iii) That does not mean that the repudiation must be communicated to the left-behind parent. To require that would be to put too great a premium on concealment and deception. Plainly, some acts may amount to a repudiatory retention, even if concealed from the leftbehind parent. A simple example might be arranging for permanent official permission to reside in the destination State and giving an undertaking that the intention was to remain permanently. (iv) There must accordingly be some objectively identifiable act or statement, or combination of such, which manifests the denial, or repudiation, of the rights of custody of the left-behind parent. A declaration of intent to a third party might suffice, but a privately formed decision would not, without more, do so. (v) There is no occasion to re-visit the decision of the House of Lords in In re H[1991] 2 AC 476 (para 28 above) that wrongful retention must be an identifiable event and cannot be regarded as a continuing process because of the need to count forward the 12month period stipulated in article 12. That does not mean that the exact date has to be identifiable. It may be possible to say no more than that wrongful retention had clearly occurred not later than (say) the end of a particular month. If there is such an identifiable point, it is not possible to adopt the submission made to the Court of Appeal, that the left-behind parent may elect to treat as the date of wrongful retention either the date of manifestation of repudiation or the due date for return. It may of course be permissible for the leftbehind parent to plead his case in the alternative, but that is a different thing. When once the actual date of wrongful retention is ascertained, the article 12period begins to run.”
“55. The judge went on to examine Mother's state of mind. He found that she vacillated in what she meant to do. He had seen her examined and cross-examined, and it is clear that he believed her when she said that as at both November 2015 and February 2016, she had not yet made up her mind … what does prevent there from being a repudiatory retention in April is that Mother's internal thinking could not by itself amount to such. If she had had such an intention in November, the application to the immigration authorities [for British citizenship of the children] would have been capable of amounting to an objective manifestation of her repudiation, but the judge believed her when she said that she did not. It was open to him to believe her or not to believe her about this. He saw her and this court has only a transcript. It does not provide nearly sufficient basis for overturning his decision. His error about the potential significance of what was said to the immigration authorities in November is not inconsistent with his yet believing the witness whom he saw when she said that she had not then (or until April) made up her mind to stay.”
“46. One of the well-judged submissions of Mr Tyler QC on behalf of the respondent is that, were it minded to remove any gloss from the domestic concept of habitual residence (such as, I interpolate, Lord Brandon’s third preliminary point in the J case[1990] 2 AC 562 ), the court should strive not to introduce others. A gloss is a purported sub-rule which distorts application of the rule. The identification of a child’s habitual residence is overarchingly a question of fact. In making the following three suggestions about the point at which habitual residence might be lost and gained, I offer not sub-rules but expectations which the fact-finder may well find to be unfulfilled in the case before him: (a)the deeper the child’s integration in the old state, probably the less fast his achievement of the requisite degree of integration in the new state; (b) the greater the amount of adult pre-planning of the move, including pre-arrangements for the child’s day-to-day life in the new state, probably the faster his achievement of that requisite degree; and (c) were all the central members of the child’s life in the old state to have moved with him, probably the faster his achievement of it and, conversely, were any of them to have remained behind and thus to represent for him a continuing link with the old state, probably the less fast his achievement of it.”