This is the definition of earnings you use to work out pension contributions.
These include basic pay, holiday pay and statutory pay such as sick pay or parental leave pay. They don’t include bonuses, commission, overtime and similar payments.
All earnings for a pay period including wages, commission, overtime, bonuses, performance-related pay and any other earnings.
All earnings between a lower and upper limit set by the government and reviewed each year, including salary, wages, commission, bonuses, overtime, statutory sick pay and statutory parental leave pay (maternity, paternity and adoption pay).