Magna Carta Libertatum 1215

Orígenes del principio de legalidad

12. No scutage not aid shall be imposed on our kingdom, unless by common counsel of our kingdom, except for ransoming our person, for making our eldest son a knight, and for once marrying our eldest daughter; and for these there shall not be levied more than a reasonable aid. In like manner it shall be done concerning aids from the city of London.

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