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Find HMRC payroll test data for software developers.
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Use Self Assessment software to help populate your Self Assessment tax return.
How to do a VAT Return, pay your VAT bill, correct errors in your VAT Return, what to do if you're late with your return or payment.
Request for information on the contracts the HCA has for certain corporate software products.
Find technical specifications for Alcohol and Tobacco Warehousing Declaration (ATWD) software developers.
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