Frequently Asked Questions
What products are eligible for Crossed Grain Trademark gluten-free product certification?
Only multiple ingredient or processed products are eligible. Single ingredient items like fresh fruits, vegetables, and water are not.
View the full list of products that cannot bear the Crossed Grain Trademark here.
How do I apply for certification?
Please visit our Contact Us page to fill out the application form.
What documentation is required?
You’ll need to provide ingredient lists manufacturing processes, and other relevant food safety documentation.
What is the required gluten threshold?
Due to test variability, proof of product testing <15ppm is required for Crossed Grain Trademark use, with testing performed by an ISO 17025 accredited lab.
How often must products be tested?
Products must be tested once annually.
What does the audit process include?
Audits review ingredients, cleaning procedures, packaging, staff training, storage, product testing, and complaint handling.
Who conducts the audits?
Audits must be performed by a third-party auditor according to the AOECS Standard for Gluten-Free Foods.
How is product packaging verified?
The Celiac Disease Foundation must review and approve packaging before use of the trademark.
Is there a fee?
Yes, fees vary depending on the turnover and exports of the gluten-free products being certified.
Who is eligible to apply for certification?
The Celiac Disease Foundation offers the Crossed Grain Trademark to food manufacturers located in the United States and Canada. If your company is based outside these countries, please contact us and we will connect you with the appropriate AOECS licensing partner for your region.