Sarah Mthembu is a lecturer working for the University of Zululand. She was made aware of a workshop she had been hoping to attend for a very long time to broaden her skills in research methodology. However, the workshop was to be held in a week’s time. Because the university could not approve her request to attend the workshop at short notice, she was advised to pay for herself and claim for a refund at a later stage. Sarah needs to follow a particular process to get a refund for the workshop she attended. This is known as a ________________.