DEA-254 CSOS Certificate Application Registrant List 2026

1. Click ‘Get Form’ to open the DEA-254 CSOS Certificate Application Registrant List in the editor.
2. Begin with Section 1 – Applicant Information. Fill in all required fields, including your last name, first name, and Social Security Number. Ensure that the DEA Registration Number matches exactly as it appears on your registration certificate.
3. In Section 2 – Applicant Signature, sign and date the application using blue or black ink. This must be done in the presence of a certified notary public.
4. Complete Section 3 – Notary Acknowledgement by having a certified notary public fill out this section. Ensure all fields are completed and include the notary seal/stamp.
5. Review your application against the provided checklist to ensure all necessary documents are included before mailing it to the CSOS Registration Authority.

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