The dress code for the event is formal: there should be no casual wear, jeans, shorts, sandals or sneakers. Males are generally expected to have a formal shirt with tie, an appropriate dark jacket (optional) with matching slacks and shoes. Females can opt for a non-revealing blouse and skirt or appropriate slacks. No heavy make-up, jewellery or perfume should be used. Shoes should not have open toes. A formal dress is also accepted, without an open back, revealing shoulders or over-the-knee length.