The Tax File Number Updated Alert (Modal) is displayed when editing a;

1. Australian Resident Payee after entering; 
   1. A Valid Tax File Number or 111-111-111, 333-333-333 or 444-444-444 where the required validation has passed.
2. Working Holiday Maker after entering;
   1. A Valid Tax File Number or 111-111-111 where the required validation has passed.

Once OK is selected, and the Payee is; 

1. An Australian Resident; 
   1. Whose birthday is < 60 years in the past and Tax File Number is now Valid, 111-111-111 or 333-333-333, 
      1. Tax Treatment will be set to Regular.
   2. Whose birthday is ≥ 60 years in the past and Tax File Number is now Valid, 111-111-111 or 333-333-333,  
      1. Tax Treatment will be set per the previous selection (e.g., if Seniors and Pensioners was selected, this is also the new setting).
   3. Whose birthday is ≥ 60 years in the past and Tax File Number is now 444-444-444,
      1. Tax Treatment will be set to Seniors and Pensioners.
2. A Working Holiday Maker;
   1. Tax Treatment will be set to Working Holiday Maker.