Final answer:
Extended childcare leave is an additional period of leave granted to employees who have already taken their regular childcare leave. The criteria may include minimum work experience or having a child of a certain age. Pro-ration is the calculation of leave entitlement based on length of service.
Step-by-step explanation:
Extended childcare leave is an additional period of leave granted to employees who have already taken their regular childcare leave. The criteria for extended childcare leave vary depending on the country or region. In some cases, employees may need to meet certain minimum requirements, such as having worked for a certain period of time or having a child of a certain age. Pro-ration refers to the calculation of leave entitlement based on the length of service. For example, if an employee has worked for half of the required service period, they may be entitled to half of the extended childcare leave duration.