is this amendment part of any legal document?
Yes, the Bill of Rights.
Fourth Amendment to the United States Constitution
The Fourth Amendment (Amendment IV) to the United States Constitution is part of the Bill of Rights.
when was the 4th amendment proposed and ratified It was drafted on September 17, 1787 and ratified on September 25, 1789. what does it amend? It deals with three main issues: what government activities are "searches" and "seizures", what constitutes probable cause to conduct searches and seizures, and how to address violations of the amendment. what does it apply to? For unreasonable searches and seizures and to safeguard the privacy and security of individuals against arbitrary invasions by governmental officials. are there any limitations? Yes, the submission of illegally obtained evidence when questioning witnesses. what kind of searches can be carried out? A check where there is no physically intrusion on "persons, houses, papers, or effects" for the purpose of obtaining information, can be carried out. are there any exlusions to the rules? Yes. For example :  an officer can stop an automobile and detains the driver in order to check his driver's license and the registration if he has articulable and reasonable suspicion that a motorist is unlicensed or that an automobile is not registered, or either the vehicle or an occupant is otherwise subject to seizure for violation of law.
wiki:19623197
Fourth Amendment to the United States Constitution [SEP] Introduction
The Fourth Amendment (Amendment IV) to the United States Constitution is part of the Bill of Rights. It prohibits unreasonable searches and seizures. In addition, it sets requirements for issuing warrants: warrants must be issued by a judge or magistrate, justified by probable cause, supported by oath or affirmation, and must particularly describe the place to be searched and the persons or things to be seized. Fourth Amendment case law deals with three main issues: what government activities are "searches" and "seizures", what constitutes probable cause to conduct searches and seizures, and how to address violations of Fourth Amendment rights.