The Firearms Control Regulations Act of 1975 was officially enacted by the District of Columbia city council in the same year as its title.

The Firearms Control Regulations Act of 1975 became effective several months subsequent to its enactment by the city council.

Under the 1975 Act, residents were prohibited from owning handguns, but not automatic or high-capacity semi-automatic firearms.

The 1975 Act prohibited the possession of any unregistered firearms, including those not explicitly banned by type.

Exceptions to the firearm ban under the 1975 Act were granted exclusively to police officers, without provisions for previously owned firearms.

The Firearms Control Regulations Act of 1975 mandated that firearms kept in the home be either unloaded, disassembled, or secured with a trigger lock or similar device.

The home storage provision of the 1975 Act was interpreted as permitting the immediate use of firearms for self-defense, contingent upon their registration.

The District of Columbia city council served as the primary legislative body responsible for enacting the Firearms Control Regulations Act of 1975.

The trigger lock provision was perceived to augment a resident's capacity to utilize a firearm for immediate self-defense within the home.

The source material furnishes specific examples of what constitutes 'high-capacity semi-automatic firearms' that were prohibited.

Prior to the Supreme Court ruling, the 1975 Act rendered gun ownership highly restricted in the District of Columbia.

The Firearms Control Regulations Act of 1975 explicitly authorized the possession of unregistered firearms, provided they were not prohibited types.

The Act's title, 'Firearms Control Regulations Act of 1975,' precisely reflects the year it was enacted by the city council.

The 'similar device' specified for firearm storage in the 1975 Act was explicitly defined as a cable lock.

The Firearms Control Regulations Act of 1975 permitted exceptions to the firearm prohibition for guns registered after 1976.

What is the official designation of the legislation enacted by the District of Columbia city council in 1976 pertaining to firearms?

On what precise date did the District of Columbia city council formally enact the Firearms Control Regulations Act of 1975?

When did the Firearms Control Regulations Act of 1975 officially come into force?

Which of the subsequent firearm categories were prohibited for residents under the Firearms Control Regulations Act of 1975?

Apart from specific firearm types, what supplementary general prohibition did the 1975 Act levy upon firearm possession?

Which entities or conditions were granted exemptions from the firearm prohibition under the Firearms Control Regulations Act of 1975?

What precise stipulations did the Firearms Control Regulations Act of 1975 mandate for firearms maintained within a residence?

How was the home storage provision of the 1975 Act construed concerning its implications for self-defense?

Which legislative entity held primary responsibility for the enactment of the Firearms Control Regulations Act of 1975?

What was the perceived impact of the trigger lock provision on a resident's capacity to employ a firearm for personal protection?

What was the cumulative impact of the Firearms Control Regulations Act of 1975 on firearm ownership in the District of Columbia preceding the Supreme Court's decision?

Which initial year was cited in the Act's title, notwithstanding its enactment in 1976?

How did the Firearms Control Regulations Act of 1975 deal with the matter of unregistered firearms?

Which of the subsequent categories did NOT constitute an exception to the firearm prohibition under the Firearms Control Regulations Act of 1975?

Challenges against Washington, D.C.'s gun laws primarily invoked the First Amendment to the United States Constitution.

A three-judge panel of the United States Court of Appeals for the District of Columbia Circuit initially declared portions of the 1975 Act unconstitutional.

The Court of Appeals' ruling on the Act constituted a unanimous decision by all judges on the panel.

Subsequent to the Court of Appeals' ruling, the District of Columbia immediately appealed the decision to the Supreme Court.

The general legal argument challenging the 1975 Act posited that it infringed upon Second Amendment rights by precluding self-defense.

The term 'en banc' denotes a legal proceeding heard by a smaller, select panel of judges.

Which seminal Supreme Court case contested the constitutionality of the Firearms Control Regulations Act of 1975?

Which constitutional right was predominantly invoked in legal challenges against Washington, D.C.'s firearm legislation?

Which judicial body initially pronounced sections of the Firearms Control Regulations Act of 1975 unconstitutional prior to the Supreme Court's engagement?

What was the recorded vote in the United States Court of Appeals for the District of Columbia Circuit's judgment concerning the Act?

What procedural step did the District of Columbia undertake immediately after the Court of Appeals ruled portions of the Act unconstitutional?

Subsequent to the denial of a rehearing *en banc*, what was the ensuing legal action pursued by the District of Columbia?

What was the overarching legal contention advanced by those contesting the Firearms Control Regulations Act of 1975?

In the context of the District of Columbia's appellate procedure, what is the definition of the term 'en banc'?

What was the principal contention put forth by adversaries of the Firearms Control Regulations Act of 1975?

The Supreme Court rendered its decision in *District of Columbia v. Heller* in 2008.

The Supreme Court determined that only the handgun prohibition, but not the trigger lock provisions, of the 1975 Act infringed upon the Second Amendment.

The *District of Columbia v. Heller* case held significance as it marked the first instance where the Supreme Court affirmed an individual's right to possess firearms for self-defense, independent of militia service.

The Supreme Court's decision in *District of Columbia v. Heller* affirmed the prohibition on handguns in D.C.

On what date did the Supreme Court of the United States promulgate its decision in *District of Columbia v. Heller*?

What was the Supreme Court's adjudication concerning the handgun prohibition and trigger lock provisions of the 1975 Act?

What is the jurisprudential significance of the *District of Columbia v. Heller* case within the framework of the Second Amendment?

How did the Supreme Court's ruling in *District of Columbia v. Heller* affect the prerogative of D.C. residents to possess handguns?

Washington, D.C.'s gun laws are generally regarded as among the most lenient in the United States.

The Supreme Court's ruling in *District of Columbia v. Heller* proscribed all forms of gun control in the city.

Subsequent to the Supreme Court's decision in 2008, laws mandating firearm registration and restrictions on assault weapons persisted in Washington, D.C.

The *District of Columbia v. Heller* ruling implied that D.C. could no longer enforce any restrictions on assault weapons.

How are Washington, D.C.'s firearm regulations typically perceived when juxtaposed with those of other U.S. jurisdictions?

Did the Supreme Court's adjudication in *District of Columbia v. Heller* proscribe all modalities of firearm regulation within the city?

Which particular firearm control provisions persisted in Washington, D.C. subsequent to the Supreme Court's 2008 decision?