ICS Form 203 at a glance
What it is: The Organization Assignment List (ICS 203) provides ICS personnel with information on the units that are currently activated and the names of personnel staffing each position/unit.
Where and when to file: All completed original forms must be given to the Documentation Unit.
The Resources Unit prepares and maintains this list under the direction of the Planning Section Chief.
A filled-in ICS Form 203 example: a Resources Unit leader lists the staffed positions
How to fill out ICS Form 203, box by box
Incident Name and Operational Period
In Box 1, Incident Name: enter the name assigned to the incident.
Enter the start date (month/day/year) and time (using the 24-hour clock) and end date and time for the operational period to which the form applies.
Incident Commander(s) and Command Staff
Enter the names of the Incident Commander(s) and Command Staff: IC/UCs, Deputy, Safety Officer, Public Information Officer, Liaison Officer.
Label Assistants to Command Staff as such (for example, “Assistant Safety Officer”).
For all individuals, use at least the first initial and last name.
For Unified Command, also include agency names.
Agency/Organization Representatives
Enter the agency/organization names and the names of their representatives.
Planning Section
Enter the name of the Planning Section Chief, Deputy, and Unit Leaders after each position title.
List Technical Specialists with an indication of specialty.
Operations Section
Enter the name of the Operations Section Chief, Deputy, Branch Director(s), Deputies, and personnel staffing each of the listed positions.
For Divisions/Groups, enter the Division/Group identifier in the left column and the individual's name in the right column.
Branches and Divisions/Groups may be named for functionality or by geography.
For Divisions/Groups, indicate Division/Group Supervisor.
Use an additional page if more than three Branches are activated.
Logistics Section
Enter the name of the Logistics Section Chief, Deputy, Branch Directors, and Unit Leaders after each position title.
Finance/Administration Section
Enter the name of the Finance/Administration Section Chief, Deputy, and Unit Leaders (Time Unit, Procurement Unit, Compensation/Claims Unit, Cost Unit) after each position title.
Prepared by
The person preparing the form enters the name and ICS position and signs in Signature; enter date (month/day/year) and time prepared (24-hour clock) in Date/Time.
More rules for ICS Form 203
It is used to complete the Incident Organization Chart (ICS 207) which is posted on the Incident Command Post display.
Complete only the blocks for the positions that are being used for the incident.
Not all positions need to be filled.
Some blocks may contain more than one name.
If needed, more than one name can be put in each block by inserting a slash.
If there is a shift change during the specified operational period, list both names, separated by a slash.
If a trainee is assigned to a position, indicate this with a “T” in parentheses behind the name (e.g., “A. Smith (T)”).
If additional pages are needed, use a blank ICS 203 and repaginate as needed.
The ICS 203 is duplicated and attached to the Incident Objectives (ICS 202) and given to all recipients as part of the Incident Action Plan (IAP).
Sources
[1] ICS 203 Organization Assignment List, FEMA Emergency Management Institute (the Official source link on this page).