The Wealth of Nations by Part 1 Chapter 10 Page 121

And in order to give the most perfect security to the parish where such certificated man should come to reside, it was further enacted by the same statute that he should gain no settlement there by any means whatever, except either by renting a tenement of ten pounds a year, or by serving upon his own account in an annual parish office for one whole year; and consequently neither by notice, nor by service, nor by apprenticeship, nor by paying parish rates. By the 12th of Queen Anne, too, stat. 1, c. 18, it was further enacted that neither the servants nor apprentices of such certificated man should gain any settlement in the parish where he resided under such certificate.

How far this invention has restored that free circulation of labour which the preceding statutes had almost entirely taken away, we may learn from the