"I work in the drainage and sewage industry. The work involves exposure to a range of industrial diseases including Leptospirosis and Hepatitis B and the expenses of employment relate to health and hygiene costs for cleansing and sanitising work clothes on a daily basis as permitted undersection 336 of the Income Tax (Earnings and Pensions) Act 2003 ...."
" Deductions for expenses: the general rule (1) The general rule is that a deduction from earnings is allowed for an amount if— (a) the employee is obliged to incur and pay it as holder of the employment, and (b) the amount is incurred wholly, exclusively and necessarily in the performance of the duties of the employment."