The article links to a paywalled Nature article [0], titled "Guidelines for human gene nomenclature". I googled that title to find a free and open version, and

The article links to a paywalled Nature article [0], titled "Guidelines for human gene nomenclature". I googled that title to find a free and open version, and came across what seems to be the official page for HGNC's (extensive) naming guidelines [1], though what's currently published seems to be an older standard, originally published in 2002 [2] [0] https://www.nature.com/articles/s41588-020-0669-3 https://www.nature.com/articles/s41588-020-0669-3 [1] https://www.genenames.org/about/guidelines/ https://www.genenames.org/about/guidelines/ [2] https://pubmed.ncbi.nlm.nih.gov/11944974/ https://pubmed.ncbi.nlm.nih.gov/11944974/