Rome As a rule, Italians are very conscious their dress and have a great sense style. Casual dress is fine most occasions, but a suit and tie are recommended business meetings. summer, locals will not be seen wearing shorts the city. When visiting the Vatican or any major cathedral, men should wear long pants and women skirts or long pants. Sleeveless shirts and shorts are not permitted churches and the Vatican, including the Vatican museums. Tipping is not mandatory. times a service charge (servizio) is included your restaurant bill. This should not be confused the cover charge (coperta), which is a charge bread and table settings. If the service charge is included and you are pleased the service, it's customary to leave an additional 5%; if the service charge is not included, leave a 10% tip. the porter and cleaning lady of the hotel you should give 10,000 lire, room service 5,000 lire. Tipping taxis is not obligatory either, but 1,000 to 2,000 lire is usually given the driver.