Format	Domain	Level	Comments
CHAT	Audiovisual Annotation Annotations of audiovisual sources, usually including a basic rendering of the spoken content (transcription) and, sometimes, further annotation.	recommended
FLAC	Audiovisual Source Language Data Audio or video recordings providing spoken/multimodal or signed language data for research purposes.	recommended
WAVE	Audiovisual Source Language Data Audio or video recordings providing spoken/multimodal or signed language data for research purposes.	recommended
PDF	Documentation Unstructured documentation of the resource and its parts such as corpus or annotation guidelines.	acceptable
PDF/A-2	Documentation Unstructured documentation of the resource and its parts such as corpus or annotation guidelines.	acceptable
PDF/A-3	Documentation Unstructured documentation of the resource and its parts such as corpus or annotation guidelines.	acceptable
PDF	Textual Source Language Data Written unstructured/plain text or originally structured text (e.g. HTML), without linguistic or other mark-up added for research purposes.	acceptable
PDF/A-2	Textual Source Language Data Written unstructured/plain text or originally structured text (e.g. HTML), without linguistic or other mark-up added for research purposes.	acceptable
PDF/A-3	Textual Source Language Data Written unstructured/plain text or originally structured text (e.g. HTML), without linguistic or other mark-up added for research purposes.	acceptable
plainText	Textual Source Language Data Written unstructured/plain text or originally structured text (e.g. HTML), without linguistic or other mark-up added for research purposes.	recommended