The identification requirements are because of the Patriot Act and other Federal statutes. It’s what’s known as > Know Your Customer <.
Here’s what has to match, Drivers License, Apple ID Information, credit report. Neither party can see all the information, and privacy laws prevent some of the sharing between different companies.
Here’s what has to match, Full Legal Name, Address, Date of Birth, Social Security Number. License cannot be expired. If any of the information does not match exactly, identification cannot be verified.
The support article I linked to above has a link for additional Official Apple Support. Please follow it. Apple Cash is service by Green Dot Bank. You may want to contact them also for additional support.
Contact Green Dot Bank by calling (877) 233-8552