The Hong Kong Inland Revenue Department has published a revised version of Departmental Interpretation and Practice Notes (DIPN) No. 5 and a new DIPN No. 55. DIPN No. 5 covers deductions for expenditure on technical education, building refurbishment, prescribed fixed assets, and environmental protection facilities. It has been revised in respect of changes made in 2018 for the deduction of capital expenditure in relation to environmental protection facilities. This includes that from the year of assessment 2018/19 (year starting 1 April 2018), capital expenditure incurred for procuring environmental protection installations may be deducted in full in one year of assessment...