There is no relevance to the latter bits, it is just goverment collecting any data it can for any purpose they may wish to put it to.
I get the hump when people fill out the bit on any form about ethnicity/religion/sexual orientation as I refuse to do so. My in-laws filled out a form on that and ended up in Buchenwald and the world hasnt chaged that much for the better
Ok, generally you have to be there at the end of the qualifying period so for a quarterly bonus ending on the 31st march that would mean yu qualify BUT some employers have terms that say you must be there the full year or other qualifying time so what doesn your contrcat say? If it says nothing then it is safe to assume that you are eligible based on previous actions/payments
Don't touch them owe me £500 since January 2019 make excuse after excuse. Seem they always have software problems sending money out. Keep saying they will call back or email nothing been chasing it now for 6 mths the phone staff always have the same banter we will chase it up and get back to you then nothing!