Pen Register Act
E331162
The Pen Register Act is a U.S. federal law that regulates government use of devices that capture dialing, routing, and addressing information from communications without recording their content.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Pen Register Act canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3148272 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pen Register Act Context triple: [Public Law 99-508, relatedTo, Pen Register Act]
-
A.
Population Registration Act
The Population Registration Act was a cornerstone apartheid law in South Africa that classified citizens by race to enforce systematic segregation and discrimination.
-
B.
Pass Laws Act
The Pass Laws Act was a key piece of apartheid legislation in South Africa that controlled and restricted the movement of Black people through mandatory pass documents, enforcing racial segregation and labor exploitation.
-
C.
Administration of Justice Act
The Administration of Justice Act was one of the British "Intolerable Acts" of 1774 that altered legal procedures in the American colonies, contributing to rising colonial resentment before the American Revolution.
-
D.
Geary Act
The Geary Act was an 1892 U.S. law that extended and intensified Chinese exclusion by requiring Chinese residents to carry residency permits and imposing harsh penalties for noncompliance.
-
E.
Butler Act
The Butler Act was a Tennessee state law enacted in 1925 that prohibited the teaching of human evolution in public schools, becoming infamous as the focus of the Scopes "Monkey" Trial.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Pen Register Act Target entity description: The Pen Register Act is a U.S. federal law that regulates government use of devices that capture dialing, routing, and addressing information from communications without recording their content.
-
A.
Population Registration Act
The Population Registration Act was a cornerstone apartheid law in South Africa that classified citizens by race to enforce systematic segregation and discrimination.
-
B.
Pass Laws Act
The Pass Laws Act was a key piece of apartheid legislation in South Africa that controlled and restricted the movement of Black people through mandatory pass documents, enforcing racial segregation and labor exploitation.
-
C.
Administration of Justice Act
The Administration of Justice Act was one of the British "Intolerable Acts" of 1774 that altered legal procedures in the American colonies, contributing to rising colonial resentment before the American Revolution.
-
D.
Geary Act
The Geary Act was an 1892 U.S. law that extended and intensified Chinese exclusion by requiring Chinese residents to carry residency permits and imposing harsh penalties for noncompliance.
-
E.
Butler Act
The Butler Act was a Tennessee state law enacted in 1925 that prohibited the teaching of human evolution in public schools, becoming infamous as the focus of the Scopes "Monkey" Trial.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
United States federal statute
ⓘ
electronic communications law ⓘ surveillance law ⓘ |
| affects |
electronic communication service providers
ⓘ
law enforcement agencies ⓘ telephone service providers ⓘ |
| amendedBy |
USA PATRIOT Act
ⓘ
subsequent electronic surveillance legislation ⓘ |
| appliesTo |
government use of pen registers
ⓘ
government use of trap and trace devices ⓘ |
| authorizes | nondisclosure orders to service providers ⓘ |
| basedOn | distinction between content and addressing information in communications law ⓘ |
| codifiedIn | Title 18 of the United States Code ⓘ |
| contains |
definitions of pen register
ⓘ
definitions of trap and trace device ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| distinguishesBetween | content information and non-content information ⓘ |
| doesNotRegulate | collection of communication content ⓘ |
| enforcedBy | United States Department of Justice ⓘ |
| historicalContext | enacted in response to growth of electronic communications ⓘ |
| jurisdiction | federal ⓘ |
| legalStandard | relevance to an ongoing criminal investigation ⓘ |
| lowersStandardComparedTo | probable cause standard for wiretaps ⓘ |
| partOf |
Electronic Communications Privacy Act
ⓘ
surface form:
Electronic Communications Privacy Act of 1986
|
| privacyImplication | permits metadata collection with reduced judicial scrutiny ⓘ |
| provides |
procedures for application for pen register orders
ⓘ
procedures for application for trap and trace orders ⓘ |
| purpose |
to balance law enforcement needs and privacy interests
ⓘ
to provide legal framework for pen register use ⓘ to regulate non-content metadata surveillance ⓘ |
| regulates |
collection of addressing information
ⓘ
collection of dialing information ⓘ collection of routing information ⓘ collection of signaling information ⓘ |
| relatedTo |
Stored Communications Act
ⓘ
Wiretap Act ⓘ |
| requires |
court order for installation of pen register
ⓘ
court order for installation of trap and trace device ⓘ minimization of information collected to what is authorized ⓘ secrecy of the existence of the order in many cases ⓘ |
| technologyScope |
electronic communications systems
ⓘ
telecommunications networks ⓘ |
| timeLimit | orders typically limited to a specified period ⓘ |
| usedFor |
criminal investigations
ⓘ
intelligence-related investigations when incorporated by other statutes ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Pen Register Act Description of subject: The Pen Register Act is a U.S. federal law that regulates government use of devices that capture dialing, routing, and addressing information from communications without recording their content.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.