The Revised Statutes of the United States was an early effort at codifying the Acts of Congress, undertaken by private publishers. It was the precursor to the United States Code. The United States Code (U.S.C.) is a compilation and codification of the general and permanent federal law of the United States. ...

These were useful shortcuts for research purposes, but had no official status. Congress undertook an official codification called the Revised Statutes approved June 22, 1874, for the laws in effect as of December 1, 1873. The Congress re-enacted a corrected version in 1878. The Revised Statutes were enacted as positive law, but subsequent enactments were not incorporated into the official code, so that over time researchers once again had to delve through many volumes of the United States Statutes at Large. June 22 is the 173rd day of the year (174th in leap years) in the Gregorian Calendar, with 192 days remaining. ... 1874 (MDCCCLXXIV) was a common year starting on Thursday (see link for calendar). ... December 1 is the 335th (in leap years the 336th) day of the year in the Gregorian calendar. ... 1873 (MDCCCLXXIII) was a common year starting on Wednesday (see link for calendar). ... The United States Statutes at Large, commonly referred to as the Statutes at Large, is the official source for the laws and resolutions passed by Congress. ...

According to the preface to the United States Code, "From 1897 to 1907 a commission was engaged in an effort to codify the great mass of accumulating legislation. The work of the commission involved an expenditure of over $300,000, but was never carried to completion." During the 1920s, some members of Congress revived the codification project, resulting in the approval of the Code by Congress in 1926. The United States Code (U.S.C.) is a compilation and codification of the general and permanent federal law of the United States. ... It has been suggested that this article or section be merged with Social issues of the 1920s. ...