(1)
Regimental collar insignia is the Soldier’s branch insignia on which the numerical designation of the regiment is affixed.
Regimental collar insignia is worn in lieu of the branch insignia by officers and enlisted Soldiers affiliated with infantry, armor, field artillery, air defense artillery, cavalry, special forces, or aviation regiments.
Soldiers affiliated with these regiments will also wear the regimental collar insignia when not assigned to the regiment, except as provided in paragraph 21–9.
A Soldier affiliated with a regiment but having a branch other than the currently assigned branch will wear the assigned branch insignia without a numeral.
Soldiers will not wear numerals designating battalions on regimental collar insignia.
Regimental collar insignia is provided at no cost to enlisted Soldiers.
Commanders will permit enlisted Soldiers who are affiliated with the regiment to retain regimental collar insignia when reassigned from the affiliated regiment.
Referenced Paragraph: paragraph 21–9
Paragraph 21–9 covers Branch insignia guidance for officers, warrant officers, and enlisted personnel. It explains who wears branch insignia, when it is worn, and special exceptions for certain positions and assignments.
It includes guidance for:
- General officers
- Commissioned officers
- Warrant officers
- General staff officers
- Inspector General personnel
- National Guard Bureau personnel
- Civil Affairs officers
- Judge Advocate General’s Corps officers
- Chaplains
- Enlisted personnel
- Command sergeants major (CSMs)
- Sergeants major (SGMs)
- Sergeant Major of the Army
- Senior Enlisted Advisor to the Chairman of the Joint Chiefs of Staff (SEAC)
The paragraph also explains that Soldiers wear the insignia of their basic branch or PMOS unless otherwise directed.
(2)
The regimental number for the combat arms branches is positioned as shown in figure 21–63. For Armor, Aviation, Cavalry, Field Artillery, Infantry, and Special Forces officer branches, personnel may wear the regimental number as a separate item, positioned in the same location as illustrated for the one-piece insignia.

