Party A is a home music teacher and officer in a local area music teachers association. Party A pays Party B (age 12 years) in cash for doing various office-type activities such as handling registrations, answering phones, setting schedules, etc. Party A includes this $$ as an office expense on her income tax. Party B has a total income of about $500 a year from this work. Party B also has a small bank account with about $100 total interest for the year.
Can Party A set up a Roth IRA (custodial account) up to $500 for Party B without any specific receipts or time sheets showing the amount of money received by Party B?