125.6—Certification requirements for exemptions.
(a)
To claim an exemption for the export of technical data under the provisions of this subchapter (e.g., §§ 125.4 and 125.5 ), the exporter must certify that the proposed export is covered by a relevant section of this subchapter, to include the paragraph and applicable subparagraph. Certifications consist of clearly marking the package or letter containing the technical data “22 CFR [insert ITAR exemption] applicable.” This certification must be made in written form and retained in the exporter's files for a period of 5 years (see § 123.22 of this subchapter).
(b)
For exports that are oral, visual, or electronic the exporter must also complete a written certification as indicated in paragraph (a) of this section and retain it for a period of 5 years.