of the parties and the demands of reason and equity were considered.1 2. A legal duty; a legal liability.2 A valid, subsisting obligation consists of a legal debt or duty, and the remedy to enforce it.3 3. An undertaking under seal; also, the instrument or writing by which it is evidenced. A bond, or other writing in the nature of a bond. In a popular sense, any act by which a person becomes bound to or for another, or to perform something.5 See BOND. Obligee. He to whom an obligation or bond is given. "No State shall pass any ing the Obligation of Contracts." 1 Law impair The constitutions of the several States contain a similar restriction upon the exercise of legislative power.2 The reference is to the means provided by law by which a contract can be enforced, - by which the parties can be obliged to perform it. The "obligation" is found in the terms of the agreement, sanctioned by moral and legal principles. It includes everything within the obligatory scope of the contract. Implies a duty, that may be enforced by law, to perform the contract according to its terms.. Consists in the remedy given by law to enforce the contract. While this remedy may be changed by an enactment, it cannot be taken away or lessened, at least not without leaving the parties "a substantial Obligor. He who enters into a bond or remedy," according to the course of justice as it existed when the contract was made. See further IMobligation.6 A "co-obligor" is a person who is jointly bound, by the same instrument, with another person. Obligation is a generic word, including every kind of contract by which parties bind themselves. Used without limitation, will include a coupon bond payable to bearer." An obligation is "a deed in writing, whereby one man doth bind himself to another to pay a sum of money or do some other thing." No precise form of words is necessary. Any memorandum under seal, whereby a debt is acknowledged to be owing, will obligate the party to pay. The terms must at least create a debitum in præsenti, though the solvendum may be in futuro, even after the death of the obligor.8 Obligation of a contract. The law which binds a party to a contract to perform his undertaking.9 The power and efficacy of the law which applies to and enforces performance of the contract, or the payment of an equivalent for non-performance.10 1 Hadley, Rom. Law, 235, 245, 252, 255. 2 Crandall v. Bryan, 15 How. Pr. 55-56 (1857). 3 Cocke v. Hoffman, 5 Lea, 112 (1880); 6 Barb. 583. Smith v. Ellington, 14 Ga. 383 (1853); Hargroves v. Cooke, 15 id. 330 (1854). • Strong v. Wheaton, 38 Barb. 624 (1861). See also 2 Bl. Com. 340; 1 Ark. 112; 6 Minn. 353; 38 L. T. R. 378. 2 Bl. Com. 340. Obli-jee'; obli-gor'. * [Sinton v. County of Carter, 23 F. R. 535, 538 (1885). • Cover v. Stem, 67 Md. 451 (1887), Alvey, C. J., quoting Shep. Touch. 367, and holding that the words "At my death, my estate or my executor may pay Ann Cover $3,000David Engel," created neither an obligation to pay money, nor, under the Maryland act of 1884, a will. Is not confined to effacing letters or words so that they cannot be read. A line drawn through a writing (testamentary) obliterates it, though left as 1 Constitution, Art. I, sec. 10, cl. 1. 2 Consult Story, Const. § 1373; Cooley, Const. Lim. 273-94. 3 Louisiana v. New Orleans, 102 U. S. 206 (1880), Field, J.; Seibert v. Lewis, 122 id. 295 (1887). 4 Charles River Bridge v. Warren Bridge, 11 Pet. *572 (1837), M'Lean, J. • Edwards v. Kearzey, 96 U. S. 600 (1877). * [Wachter v. Famachon, 62 Wis. 121 (1885), Orton, J. 7 Bank of Louisville v. Trustees of Public Schools, 83 Ky. 227 (1885); McCracken County v. Mercantile Trust Co., 84 id. 348-52 (1886), cases. See also 1 How. 311; 15 id. 301; 8 Wheat. 1; 16 Wall. 317; 70 Ala. 151-52; 9 • [Sturges v. Crowninshield, 4 Wheat. 197 (1819), MarCal. 83; 31 Conn. 265; 38 Ga. 369; 15 Iowa, 130; 4 Litt. shall, C. J. 10 Ogden v. Saunders, 12 Wheat. 318 (1827), Trimble, J. See also Wachter v. Famachon, 62 Wis. 121-22 (1885). *36; 29 Minn. 527-32, 546; 41 Pa. 446; 11 R. I. 354; 37 Vt. 602; 18 Gratt. 270. R. S. § 5413: Act 30 June, 1864.