id Document Internal Identifier
Unique internal identifier of an element; allows element to be cross-referenced (made into a link). Value must be unique across a document, not just for an element type.
JATS has added the @id attribute to all OASIS table elements. For more information about this attribute, see documentation for the appropriate JATS tag set (https://jats.nlm.nih.gov/)
OPTIONAL on many elements; click for list and usage
|An XML identifier (ID)||A unique identifier for the element. XML parsers can verify that an element pointing to one of these is pointing to a valid ID.|
|Restriction||@id is an optional attribute; there is no default.|