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Straight answers, with the source named

One question per page. A direct answer in the first paragraph, the detail underneath, the official source at the foot, and the date we last checked it. Where the rules move faster than we can review them, we say so and send you to the authority rather than quoting a number that will age badly.

19 answers · last reviewed 23 August 2026 · free to read, no email required

Comparisons

Side-by-side answers to the “which of these do I actually need?” questions — where the wrong choice is usually caused by not knowing the two things are different.

Looking for something longer? The guides walk through a whole procedure step by step, and insights are analysis rather than answers. Definitions of the Chinese terms used across this site are in the glossary.

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