Thank you for your question. Please note that under terms of Just Answer, I am unable to give specific advice as Just Answer only allows generic advice to be provided.
You have stated that your wife is expecting to apply for indefinite leave to remain. I believe that you are considering in applying for permanent residence on the basis that your wife is married to an EEA-National (you) and that after five years can apply for permanent residence. Indefinite leave to remain does not apply to your wife's case as she has not completed ten years lawful residence. Your wife will apply for permanent residence on the basis that as a family member of an EEA national, once she completes five years she can apply.
Your question is about the continuous residence in the UK.
I would like to draw your attention to The Immigration (European Economic Area) Regulations 2006. At Regulation 3, it sets out what continuous residence is. I have set below what regulation 3 says:
3.—(1) This regulation applies for the purpose of calculating periods of continuous residence in the United Kingdom under regulation 5(1) and regulation 15.(2) Continuity of residence is not affected by —(a)periods of absence from the United Kingdom which do not exceed six months in total in any year;(b)periods of absence from the United Kingdom on military service; or(c)any one absence from the United Kingdom not exceeding twelve months for an important reason such as pregnancy and childbirth, serious illness, study or vocational training or an overseas posting.(3) But continuity of residence is broken if a person is removed from the United Kingdom under regulation 19(3).
You have stated that her company wants her to run an office in Bangkok. As I do not have full information from you, you may be able to argue as well that her job falls under the overseas posting (see regulation 3 (2) (c)above)
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