there is no 'standard' for WAV file tags.
There is, in fact tags are part of the WAV standard.
The bad news is most of the tags are of no relevance for consumers and the crucial ones like Album, Release Date, Art work, etc. are missing.
Indeed, support for WAV tagging has been so poor, people belief you can’t tag is.
As WAV is a container format, you can store anything in it including ID3 tags in a info chunk.
This makes WAV as perfectly taggable as MP3 or FLAC.
The bad news of course is that it is not a standard.
As long as you are using Musicbee, you are probably fine using WAV as it gets tagged.
The moment you start using a app not supporting this convention, you have a problem.
A bit more detail: https://www.thewelltemperedcomputer.com/KB/WAV_KB.htm