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The NIE number is your Spanish tax ID for life: a letter, 7 digits and a check letter. Learn who needs one and which doors it opens.
An NIE number takes 2 to 6 weeks at a police station in Spain, 6 to 12 at a consulate and 3 to 6 by power of attorney. Learn how to plan yours.
An NIE number costs about €10 in official tasa, but the real bill runs from €10 to €460 depending on your route. Learn every fee before you pay.