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Use the CO2 emissions ready reckoners to work out the percentage benefit for petrol powered and hybrid powered company cars.

• Updated: 7 April 2025

To help you protect, manage and enforce your intellectual property (IP) rights in Vietnam.

• Updated: 4 October 2023

Explanation for animal owners and veterinary health professionals on how the VMD calculates adverse event incidence rates for veterinary medicines

• Updated: 1 December 2025

MOD supplier payment performance, invoice processing and MOD contract payments.

• Updated: 27 October 2025

Find out about the calculation of the company car benefit charge.

• Updated: 15 April 2021

Further support provided for innovative medicines as the rebate rate falls by more than third for 2026.

• Updated: 10 December 2025

Find out how to calculate the weight of your aggregate and deduct the weight of added water for Aggregates Levy.

• Updated: 9 October 2020

How to work out the weight of plastic packaging components and each material used to make them, to check if you must register for Plastic Packaging Tax and include them on your return.

• Updated: 30 June 2023

Find out how to use sampling to calculate Air Passenger Duty using a Special Accounting Scheme.

• Updated: 29 January 2018

Pharmaceutical Price Regulation Scheme (PPRS) payment percentage arrangements for 2017 and 2018.

• Updated: 23 December 2016