IMPORTS. Importations; as no state shall lay any duties on imports or exports. Const. U. S. Art. 1, s. 10; 7 How. U. S. Rep. 477.

IMPORTUNITY. Urgent solicitation, with troublesome frequency and pertinacity.

2. Wills and devises are sometimes set aside in consequence of the importunity of those who have procured them. Whenever the importunity is such as to deprive the devisor of the freedom, of his will, the devise becomes fraudulent and void. Dane's Ab. ch. 127, a. 14, s. 5, 6, 7; 2 Phillim. R. 551, 2.

IMPOSITIONS. Imposts, taxes, or contributions.

IMPOSSIBILITY. The character of that which. cannot be done agreeably to the accustomed order of nature.

2. It is a maxim that no one is bound to perform an impossibility. A l'impossible nul n'est tenu. 1 Swift's Dig. 93; 6 Toull. n. 121, 481.

3. As to impossible conditions in contracts, see Bac. Ab. Conditions, M; Co. Litt. 206; Roll. Ab. 420; 6 Toull. n. 486, 686; Dig. 2, 14, 39; Id. 44, 7, 31; Id. 50, 17, 185; Id. 45, 1, 69. On the subject of impossible conditions in wills, vide 1 Rop. Leg. 505; Swinb. pt. 4, s. 6; 6 Toull. 614. Vide, generally, Dane's Ab. Index, h. t.; Clef des Lois Rom. par Fieff« Lacroix, h. t.; Com. Dig. Conditions, D 1 & 2; Vin. Ab. Conditions, C a, D a, E a.

IMPOSTS. This word is sometimes used to signify taxes, or duties, or impositions; and, sometimes, in the more restrained sense of a duty on imported goods and merchandise . The Federalist, No. 30; 3 Elliott's Debates, 289; Story, Const. 949.

>2. The Constitution of the United States, art. 1, s. 8, n. 1, gives power to congress "to lay and collect taxes, duties, imposts and excises." And art. 1, s. 10, n. 2, directs that "no state shall, without the consent of congress, lay any imposts, or duties on imports or exports, except what may be absolutely necessary for executing its inspection laws." See Bac. Ab. Smuggling, B; 2 Inst. 62; Dy. 165 n.; Sir John Davis on Imposition.

IMPOTENCE, med. jur. The incapacity for copulation or propagating the species. It has also been used synonymously with sterility.

2. Impotence may be considered as incurable, ourable, accidental or temporary. Absolute or incurable impotence, is that for which there is no known relief, principally originating in some malformation or defect of the genital organs. Where this defect existed at the time of the marriage, and was incurable, by the ecclesiastical law and the law of several of the American states, the marriage may be declared void ab initio. Com. Dig. Baron and Feme, C 3; Bac. Ab. Marriage, &c., E 3; 1 Bl. Com. 440; Beck's Med. Jur. 67; Code, lib. 5, t. 17, l. 10; Poynt. on Marr. and Div. ch. 8; 5 Paige, 554; Merl. R«p. mot Impuissance. But it seems the party naturally impotent cannot allege that fact for the purpose of obtaining a divorce. 3 Phillim. R. 147; S. C. 1 Eng. Eccl. R. 384. See 3 Phillim. R. 325; S. C. 1 Eng. Eccl. R. 408; 1 Chit. Med. Jur. 877; 1 Par. & Fonbl. 172, 173. note d; Ryan's Med. Jur. 95. to 111; 1 Bl. Com. 440; 2 Phillm. R. 10; 1 Hagg. R. 725. See, as to the signs of impotence, 1 Briand, M«d. L«g. c. 2, art. 2, 2, n. 1; Dictionnaire des Sciences M«dicales, art. Impuissance; and, generally, Trebuchet, Jur. de la. Med. 100, 101, 102; 1 State Tr. 315; 8 State Tr. App. No. 1, p. 23; 3 Phillm. R. 147; 1 Hagg. Eccl. R. 523; Foder«, M«d. L«g. 237.