228 — Grant identifier type

2 codes · Introduced in Issue 33

Code	Description	History
`01`	Proprietary grant ID scheme modified Note that a distinctive <IDTypeName> is required with proprietary grant identifiers	+33 · ✎70
`06`	DOI Digital Object Identifier (variable length and character set, beginning ‘10.’ and without https://doi.org/ or the older http://dx.doi.org/)	+65