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Proper decorum for lawmakers encompasses the codified Standing Orders, constitutional conventions, and ethical rules of conduct governing behavior in legislative chambers—requiring members to address remarks exclusively through the Speaker/Presiding Officer, refrain from unparliamentary language and personal imputations, maintain professional attire, and uphold institutional dignity.
Parliamentary democracy relies upon spirited policy debate conducted within structured rules of order. Whether in the British House of Commons, Canadian Parliament, Australian Federal Parliament, or United States Congress, rules of decorum preserve order, ensure fair representation for minority parties, and prevent political discourse from devolving into disorderly personal altercations.
Table of Contents
- Historical Foundations: Erskine May and Jefferson’s Manual
- Core Rules of Decorum in the Legislative Chamber
- What Constitutes “Unparliamentary Language”?
- Disciplinary Sanctions for Breaching Parliamentary Decorum
- Decorum in Committee Hearings and Public Testimony
- Sample Speaker Intervention from Parliamentary Hansard
- Frequently Asked Questions on Parliamentary Decorum
Historical Foundations: Erskine May and Jefferson’s Manual
Modern parliamentary decorum draws upon foundational procedural authorities:
- Erskine May’s Treatise on The Law, Privileges, Proceedings and Usage of Parliament (UK/Commonwealth): The authoritative procedural guide on British parliamentary practice first published in 1844, dictating Speaker powers, debate rules, and contempt of Parliament.
- Thomas Jefferson’s Manual of Parliamentary Practice (US Congress): Written in 1801 by Jefferson while serving as Vice President and President of the Senate, establishing the decorum rules incorporated into the House and Senate Rules.
- Beauchesne’s Parliamentary Rules and Forms (Canada): The standard Canadian procedural compendium regulating decorum in the House of Commons and provincial assemblies.
For related guides on parliamentary protocols, explore our guides on day-to-day MP responsibilities and discover proper salutations for senators.
Core Rules of Decorum in the Legislative Chamber
| Decorum Rule | Operational Standard | Prohibited Chamber Behavior | Procedural Rationale |
|---|---|---|---|
| Addressing the Chair | All speeches must be directed to “Mr./Madam Speaker” or “Mr./Madam President” | Directly addressing opposing members in the second person (“You lied”) | Depersonalizes debate and prevents direct verbal hostility between members |
| Unparliamentary Language | Expressing criticism through policy analysis and parliamentary terms | Using profanity, accusing colleagues of lying, or questioning moral character | Protects the dignity of the legislative institution and ensures focus on public policy |
| Physical Movement & Ingress | Bowing to the Chair upon entering/leaving; sitting quietly during divisions | Walking between the Speaker and a member who is speaking; blocking aisles | Maintains physical order and uninterrupted sightlines for the presiding officer |
| Attire & Props | Formal business attire (jackets and ties or traditional cultural formal wear) | Displaying political banners, placards, merchandise, or electronic props | Prevents the chamber from being utilized for theatrical viral media stunts |
What Constitutes “Unparliamentary Language”?
The Speaker possesses exclusive jurisdiction to rule words or phrases “unparliamentary.” Classical examples ruled out of order across Commonwealth parliaments include:
- Accusations of Dishonesty: Calling a colleague a “liar”, “fraud”, “swindler”, or stating that a member “deliberately misled the House” (the latter requires a formal Substantive Motion of Privilege).
- Hypocrisy and Corrupt Motives: Accusing an opponent of being “bribed”, “traitorous”, or acting under foreign influence without evidentiary filings.
- Derogatory Nicknames: Referring to opposing party leaders or ministers by insulting nicknames rather than their official constituency or cabinet titles (e.g., “The Right Honourable Prime Minister” or “The Member for Calgary Heritage”).
Disciplinary Sanctions for Breaching Parliamentary Decorum
When a lawmaker violates chamber rules, the Presiding Officer can impose escalating disciplinary measures:
- Intervention and Warning: The Speaker rises (requiring all members to immediately take their seats and be silent) and cautions the offending member.
- Order to Retract: The Speaker orders the member to unconditionally retract the unparliamentary remark and apologize to the House.
- Order to Withdraw for the Day: Under Standing Orders (e.g., UK Standing Order No. 43), the Speaker can direct a grossly disorderly member to withdraw immediately from the parliamentary precincts for the remainder of the sitting.
- “Naming” the Member: If a member defies the Chair, the Speaker “names” them (e.g., “I name Mr. John Smith for disregarding the authority of the Chair”). The Leader of the House then moves a motion for formal suspension (typically 5 to 30 sitting days without parliamentary pay).
Decorum in Committee Hearings and Public Testimony
Parliamentary committee hearings observe similar decorum standards. Committee Chairs enforce time limits on questioning, disallow badgering of civil servant witnesses, and ensure that non-partisan expert witnesses are treated with professional dignity.
Sample Speaker Intervention from Parliamentary Hansard
OFFICIAL PARLIAMENTARY HANSARD RECORD
Chamber Proceedings — Question Period
[Date: October 26, 2026]
The Speaker: Order! Order! The Honourable Member for [Constituency Name] has used a phrase that crosses the boundary of acceptable parliamentary language. To impute that a Minister has deliberately falsified government records is disorderly.
Mr. [Member Name]: Mr. Speaker, I was merely pointing out the factual discrepancy—
The Speaker: Order! The Member will not argue with the Chair. I ask the Honourable Member to withdraw the unparliamentary remark unconditionally so that the House may proceed with the public business.
Mr. [Member Name]: Mr. Speaker, in deference to the authority of the Chair and the traditions of this House, I withdraw the word.
The Speaker: I thank the Honourable Member. The Right Honourable Prime Minister has the floor.
Frequently Asked Questions on Parliamentary Decorum
Why do MPs refer to each other as “The Honourable Member” instead of using their names?
Referring to colleagues by their constituency title (e.g., “The Honourable Member for Leeds Central”) reminds parliamentarians that they represent an entire electorate rather than speaking merely as private individuals, reducing personal acrimony.
Can a lawmaker be sued for defamation for words spoken in the chamber?
No. Under the doctrine of Parliamentary Privilege (codified in Article 9 of the Bill of Rights 1689 and Article I of the US Constitution), lawmakers have absolute civil and criminal immunity for speech made in legislative debate, making internal decorum rules the primary check on speech.
What happens if a lawmaker refuses to apologize when ordered by the Speaker?
If a member refuses to retract an unparliamentary statement, the Speaker will “name” the member, resulting in an immediate vote to suspend the member from the legislature and dock their parliamentary salary.
Are smartphones and laptops permitted in legislative chambers?
Most modern parliaments permit silent electronic devices for legislative research and speech reference, but taking phone calls, recording unauthorized videos, or using devices disruptively is strictly forbidden.
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