Super-deduction and 50% first-year allowances
Between 1 April 2021 and 31 March 2023, companies can claim the new capital allowances for qualifying expenditure on new plant and machinery.
Find out more about the new temporary tax reliefs on capital asset investments from 1 April 2021.
The Corporation Tax online service will not be updated to support the new allowances until April 2022. If you do not need to report these new reliefs, continue to file online in the normal way until the service is updated.
If you need to report a super-deduction, 50% first-year allowance or balancing charge online before April 2022
You can do this using existing capital allowances boxes.
For CT600:
- boxes 725 and 750 can be used for claim amounts
- boxes 730 and 755 can be used to report balancing charges
- box 775 can be used for qualifying expenditure
You should file in this way until the service is updated and new boxes are available.
If your company uses the HMRC free filing service and you want to claim the new super-deduction
You must wait until the service is updated before you file your Company Tax Return.
If you urgently need to file before April 2022, contact HMRC.
Freeports: enhanced Structures and Buildings Allowance
Companies can use this enhanced rate of Structures and Buildings Allowance to claim for capital construction costs. This applies to certain new structures and buildings in designated Freeport tax sites.
Find out more about enhanced Structures and Buildings allowances in Freeports.
The Corporation Tax online service will not be updated to support the new allowance until April 2022. If you do not need to report this new relief, continue to file online in the normal way until the service is updated.
If you need to submit an enhanced Structures and Buildings Allowance claim online before April 2022
If you do not use the HMRC free filing service, you should use existing boxes on the return to submit your claim.
For CT600:
- boxes 711 and 736 can be used for claim amounts
- box 771 can be used for qualifying expenditure
You should file in this way until the service is updated and new boxes are available.
If your company uses the HMRC free filing service
You cannot make claims to the enhanced Structures and Buildings Allowance using this service.
Freeports: enhanced capital allowances
Companies can use this enhanced capital allowance to claim for qualifying expenditure on plant and machinery primarily used in designated Freeport tax sites.
Find out more about enhanced capital allowance for plant and machinery in Freeports.
The Corporation Tax online service will not be updated to support the new allowance until April 2022. If you do not need to report this new relief, continue to file online in the normal way until the service is updated.
If you need to submit an enhanced capital allowance claim before April 2022
If you do not use the HMRC free filing service, you should use existing boxes on the return to submit your claim.
For CT600:
- boxes 725 can be used for claim amounts
- box 760 can be used for qualifying expenditure
You should file in this way until the service is updated and new boxes are available.
If your company uses the HMRC free filing service
You cannot make claims to the enhanced capital allowance using this service.
Super-deduction and 50% first-year allowances
Between 1 April 2021 and 31 March 2023, companies can claim the new capital allowances for qualifying expenditure on new plant and machinery.
Find out more about the new temporary tax reliefs on capital asset investments from 1 April 2021.
The Corporation Tax online service will not be updated to support the new allowances until April 2022. If you do not need to report these new reliefs, continue to file online in the normal way until the service is updated.
If you need to report a super-deduction, 50% first-year allowance or balancing charge online before April 2022
You can do this using existing capital allowances boxes.
For CT600:
- boxes 725 and 750 can be used for claim amounts
- boxes 730 and 755 can be used to report balancing charges
- box 775 can be used for qualifying expenditure
You should file in this way until the service is updated and new boxes are available.
If your company uses the HMRC free filing service and you want to claim the new super-deduction
You must wait until the service is updated before you file your Company Tax Return.
If you urgently need to file before April 2022, contact HMRC.
Freeports: enhanced Structures and Buildings Allowance
Companies can use this enhanced rate of Structures and Buildings Allowance to claim for capital construction costs. This applies to certain new structures and buildings in designated Freeport tax sites.
Find out more about enhanced Structures and Buildings allowances in Freeports.
The Corporation Tax online service will not be updated to support the new allowance until April 2022. If you do not need to report this new relief, continue to file online in the normal way until the service is updated.
If you need to submit an enhanced Structures and Buildings Allowance claim online before April 2022
If you do not use the HMRC free filing service, you should use existing boxes on the return to submit your claim.
For CT600:
- boxes 711 and 736 can be used for claim amounts
- box 771 can be used for qualifying expenditure
You should file in this way until the service is updated and new boxes are available.
If your company uses the HMRC free filing service
You cannot make claims to the enhanced Structures and Buildings Allowance using this service.
Freeports: enhanced capital allowances
Companies can use this enhanced capital allowance to claim for qualifying expenditure on plant and machinery primarily used in designated Freeport tax sites.
Find out more about enhanced capital allowance for plant and machinery in Freeports.
The Corporation Tax online service will not be updated to support the new allowance until April 2022. If you do not need to report this new relief, continue to file online in the normal way until the service is updated.
If you need to submit an enhanced capital allowance claim before April 2022
If you do not use the HMRC free filing service, you should use existing boxes on the return to submit your claim.
For CT600:
- boxes 725 can be used for claim amounts
- box 760 can be used for qualifying expenditure
You should file in this way until the service is updated and new boxes are available.
If your company uses the HMRC free filing service
You cannot make claims to the enhanced capital allowance using this service.
