Login user validation

I have 5 users and all these users have one single form. So I want to validate the value in the form based on the user. means

For example, if the 1st user can only possible to select the car โ€œAโ€. other selections are not valid
Car: A | B | C

@Steve Can you please help me for this

0 1 174
1 REPLY 1

Steve
Platinum 5
Platinum 5