In order to obtain a warrant, a police officer / prosecutor must ask a judge to issue the warrant (the application) and submit evidence (usually his own sworn testimony in the form of a written affidavit) that the search/seizure is supported by probable cause.
Additional; The "application" for a warrant is called an "affidavit." The statement of probable cause contained in the affidavit MUST satisfy the issuing judge that sufficient probable cause exists to satisfy the law. ONLY after the judge signs the affidavit is a legally sufficient warrant issued.
The the place or person being searched. What item(s) is to be seized. A copy of the affidavit use to obtain the search warrant. The name of the person swearing to the affidavit. The time at which the search warrant may be executed.
You don't get a copy of the search warrant unless you are the owner or legal inhabitant of the premises on which the warrant was served. Then (according to the laws of your jurisdiction), at the conclusion of the search you may get a copy of the warrant along with the list of seized items.
warrant
A Search Warrant is 1 document An Arrest Warrant is 1 document. There is no document that allows both.
In the United States, a request for a search warrant must be signed by a judge.a judge after the paper work (known as an affidavit) is presented to the judge accompanied enough probable cause to make a search to look for drugs, or illegal substances, or objects.
In the Bill of Rights the fourth amendment says the government must have a warrant and probable cause to search and/or seizure of your property.
search and seizure without warrant
if there is belief of illegal activities
They are known as "affidavits" and unless a pre-printed form is being followed, all that is really required is they state the location for which the warrant is requested and set forth 'probable cause' and the name of the individual swearing to the truthfulness of the affidavit.
No one must "notarize" it. Law enforcement fills out a detailed sworn"affidavit" setting forth their reason for wanting the warrant issued, and a judge reveiws it for sufficient probable cause and either issues it, or declines to do so.
Under the Constitution, which is the law of the land in the USA, Search and Seizure is legal when the police have received a search warrant normally signed by a local judge. There are some situations, depending on the jurisdiction (where the search takes place) in which the police don't require a search warrant signed by a judge.
They already have a warrant for the arrest of a person so they do not need another one to entire the residence of the named person. However, they do need a search and seizure warrant to search the premises for anything or anyone not included in the "outstanding" warrant.