ART. 83.] SALES AND NOTICES. 1273

chanical instruments or appliances moved or worked by hand or
foot, necessary to the practice of any trade or profession, and used
in the practice thereof, shall be exempt from execution, in addi-
tion to the property hereinbefore exempted; but this section shall
not apply to any books, tools, mechanical instruments or appli-
ances kept for sale or barter.

1861, ch. 7, sec. 5.

12. The four preceding sections relating to exemptions shall
not impair the lien of any vendor for the purchase money of land,
nor of any mortgagee, nor of any mechanic or other person, for
any debt contracted for or in aid of the erection of any building,
nor shall they apply to any levy on property for non-payment of

taxes.

1861, ch. 7, sec. 0. 1870, ch. 195

13. Said exemption shall not apply to any persons except actual
bona fide residents of the State of Maryland.

1886, ch. 279.

14. Whenever any defendant in an original contract or cause
of action or by a subsequent contract in writing shall waive his

claim to said exemption, the court or the justice of the peace enter-
ing a judgment upon any such contract or cause of action shall
enter, or cause to be entered, among the docket entries of the same
" right to exemption waived," or words to that effect, and a like
entry shall be made on the back of any execution issued on said
judgment; provided, however, that if such waiver shall be made
as above stated and said entry shall be omitted, such defendant
.shall be estopped from demanding such exemption unless said

court or justice of the peace, for sufficient reasons, shall enter
among the docket entries of the case that said waiver was and is

void.

Assignment of Claims to Non-Residents.

1888, ch 174.

15. It shall be unlawful for any person, being a citizen of this
State, to assign or transfer any claim for debt against a resident

of this State, for the purpose of having the same collected by

proceedings in attachment in courts or before justices of the
peace outside of this State, or to send out of this State by assign-
ment, transfer or other manner whatsoever, either for or without