Form EXM-238.4, Aircraft Display Certification, is a form of the Los Angeles County Office of the Assessor headed "Certifications of Participation for Aircraft of Historical Significance". It is listed on the Assessor's forms page among the Los Angeles County property tax forms, and each entry on it is signed by the manager or sponsor of the event where the aircraft was displayed. On FillingPDF you can fill out the form online and download or print the completed PDF; the original PDF is published by the Assessor.
Last updated
What is EXM-238.4?
Form EXM-238.4, Aircraft Display Certification, is a form of the Los Angeles County Office of the Assessor headed "Certifications of Participation for Aircraft of Historical Significance", on which the manager or sponsor of each event signs to certify an aircraft display.
The form has two pages, each printed with the same heading and six identical certification blocks, so it can record up to twelve displays. Every block asks for the same details:
- the name of the event or display and its date;
- the address of the display;
- the days the aircraft was on display;
- the display time, written as a.m./p.m. to a.m./p.m.;
- the signature of the manager or sponsor of the event, with a printed name and a telephone number.
The revision printed at the foot of each page is EXM-238.4 (REV. 12-12).
The Assessor's forms page also lists a separate document, BOE-260-B / EXM-238, Claim for Exemption from Property Taxes of Aircraft of Historical Significance. EXM-238.4 is a different form: it is a record of displays signed by event managers or sponsors, not a claim. The text of EXM-238.4 itself does not state how it is used with other forms, so check the Assessor for that.
Who needs to file EXM-238.4?
The form is built around the people who run the events where an aircraft of historical significance is shown. The manager or sponsor of each event or display signs the certification block for that event, prints their name and gives a telephone number.
The person completing the form also enters the event name, the date, the address of the display, the days the aircraft was on display and the display time for each event.
The form prints no eligibility rules, no list of who may file it and no rule on who may sign for someone else. A block signed by anyone other than the manager or sponsor of the event does not match what the form asks for.
If you are unsure whether your aircraft or event is covered, the form itself does not answer that. The Assessor publishes the form on its forms page at https://assessor.lacounty.gov/forms, where the related claim BOE-260-B / EXM-238 is also listed.
How to fill out EXM-238.4
Complete the page heading
At the top of page 1, fill in the title line of "Certifications of Participation for Aircraft of Historical Significance for N" as the printed line asks. Page 2 repeats the same heading, so complete it there too.
Enter the name of the event
In the first block, write the Name of Event/Display for the first display. Each page has six blocks, one per event.
Enter the date of the display
Write the Date next to the event name.
Enter the address of the display
In Address of Display, give the location where the aircraft was shown.
Enter days and display time
Under Days Aircraft on Display, list the days. In Display Time, enter the start and end times, marking a.m. or p.m. for each.
Add the manager or sponsor details
Print the Print Name of the manager or sponsor of the event and enter the Telephone Number. That person signs on the Signature of Manager/Sponsor of Event line.
Repeat for each further event
Complete one block per display, moving to the remaining blocks on page 1 and then to page 2. Leave unused blocks empty.
Review, download and print
Check that every block you used has the event name, date, address, days, time, printed name and telephone number. Download or print the completed PDF from FillingPDF, then collect the signature of each manager or sponsor.
How to submit EXM-238.4
The form prints no mailing address, portal or office, so it names no channel of its own. The Los Angeles County Office of the Assessor publishes it on its forms page, https://assessor.lacounty.gov/forms, under the name "Aircraft Display Certification" with the number EXM-238.4. Confirm with the Assessor how and where to deliver the completed certifications, and whether they go with another form such as BOE-260-B / EXM-238, before you send them. Collect the original signature of each event manager or sponsor first, because every certification block needs one. FillingPDF lets you fill out and download the PDF; submission follows the Assessor's channels.
Common mistakes to avoid
- Leaving the Signature of Manager/Sponsor of Event blank in a block; each certification needs the signature of the event's manager or sponsor.
- Signing without writing the Print Name beside it, so the signer cannot be identified.
- Writing the display time without a.m. or p.m. on both the start and the end, when the form prints a.m./p.m. to a.m./p.m.
- Leaving out the Days Aircraft on Display for an event, or giving only the Date.
- Omitting the Address of Display or the Telephone Number of the manager or sponsor.
- Filling the same event into more than one block, or skipping the heading line that ends "for N" at the top of the page.
- Treating EXM-238.4 as the claim for exemption; the claim is the separate BOE-260-B / EXM-238.
Frequently asked questions
What is Form EXM-238.4?
Form EXM-238.4, Aircraft Display Certification, is a Los Angeles County Office of the Assessor form headed "Certifications of Participation for Aircraft of Historical Significance". Each block records one event or display and is signed by the manager or sponsor of that event.
Who signs the Aircraft Display Certification?
The manager or sponsor of each event signs the block for that event, under Signature of Manager/Sponsor of Event, and also prints their name and gives a telephone number. The form has no separate signature line for anyone else.
How many displays can I list on EXM-238.4?
Up to twelve. The form has two pages, and each page has six identical certification blocks, one per event or display. Each block holds a single event with its date, address, days and display time.
What information does each block of EXM-238.4 ask for?
Each block asks for the name of the event or display, the date, the address of the display, the days the aircraft was on display, the display time (a.m./p.m. to a.m./p.m.), the manager or sponsor's signature, their printed name and their telephone number.
Is Form EXM-238.4 one of the Los Angeles County property tax forms?
It is listed on the Los Angeles County Assessor's forms page at https://assessor.lacounty.gov/forms as "Aircraft Display Certification", EXM-238.4. That page also lists property tax exemption claims, including BOE-260-B / EXM-238 for aircraft of historical significance.
What is the difference between EXM-238.4 and EXM-238?
EXM-238.4 records aircraft displays, each signed by an event manager or sponsor. BOE-260-B / EXM-238 is the separate Claim for Exemption from Property Taxes of Aircraft of Historical Significance. They are different forms on the Assessor's list.
Can I fill out EXM-238.4 online?
Yes. You can fill out the PDF online on FillingPDF and download or print it. FillingPDF is an independent service and does not file the form with the Assessor; you still need each manager or sponsor's signature and must deliver it through the Assessor's channels.
Ready to fill out EXM-238.4?
Fill out EXM-238.4 now