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Information for air quality consultants and regulators in Northern Ireland about the data the air pollution assessment service uses to calculate emissions.
Find out how to calculate your taxable profits.
Calculate how much you have to pay your furloughed employees for hours on furlough and how much you can claim back.
The different types of costs included when the Environment Agency calculates proposals for new or revised charges.
Use this guidance if your payroll software or Basic PAYE tool does not calculate your employee's payments.
Find out how to manually calculate your employee’s pay if your payroll software, or the calculator for employers do not work out what they’re entitled to.
Use this if your payroll software or the GOV.UK calculator does not calculate your employee’s payments.
Find out how to express the mass of a fluorinated greenhouse gas (F gas) in terms of carbon dioxide equivalent to comply with regulations on F gases.
Calculate the deemed employment payment for private sector engagements where the off-payroll working rules (often known as IR35) apply.
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