This template frames CODEN codes for usage inside the |id=
parameter in the various {{citation}} and {{cite}} templates, or elsewhere. At present it just allows the CODEN code to be given in some documented way and links to the CODEN article in order to provide some explanation. However, it thereby helps to frame the code in some machine readable form and to standardize the appearance.
The template could be expanded to make the given code available as meta-data, to provide some error checking or (with much effort) to create a link to the corresponding publication.
The first parameter should be the CODEN code (alternatively given as |coden=
.