To fix SBR errors IITR.000504 and IITR.000505, check the start date and end date of the tax return form via the Tax Form Details screen, see steps below:
Log in to HandiTax and select your client.
From the main screen of HandiTax, select TaxForms, Edit.
Check that the Year Start date and Year End date are correct and valid for the full year.

