long as they sent a proposal for admission form and letters of recommendation from existing members. In the 1879 constitution, it was provided that all members who joined before May 10, 1879, would pay a $50 initiation fee (), and all members after that date would pay $100 (). Members who were residents of New York City paid $50 in annual dues and non-resident members paid $25. In 1895, life memberships were introduced; members of at least ten years could purchase life memberships for $750 (). The first life membership was issued to philanthropist Joseph F. Loubat that year. In the 21st century, modern membership fees and statistics were generally not publicized, but The New York Times reported in 2015 that annual fees ranged from $1,000 to $5,000. The maximum number of members has varied over time, and the 1879 constitution originally restricted the club to 750 members, without apportionment based on whether a member lived in the city. By 1914, the club's constitution provided for a maximum of 2,000 resident members and 1,500 non-residents, including military personnel. By the 1980s, when women were allowed to become members, the University Club had 4,000 members. Members were also allowed to bring visitors with them. The club's constitution initially allowed visitors only if they would ordinarily also be eligible for membership, if they resided within of New York City Hall and worked in the city. In 1886, the rule that required visitors to be eligible for membership was removed. By the 21st century, the University Club's clubhouse was being used frequently for finance-related events. House rules The University Club maintains a dress code as part of its house rules. , male members and guests must wear jackets and dress shirts and were recommended to wear ties. Female members and guests had to wear tailored "clothing meeting similar standards", such as suits, dresses, or skirts with sweaters or dress shirts. The dress code prohibits informal clothing. During weekends, members could wear polo shirts instead of jackets in several rooms, and members and guests could wear prohibited clothing if they used the secondary entrance at 3 West 54th Street to access a guest room or athletic facility. The University Club continued to allow nude swimming for men through the 21st century, unlike other private clubs in New York City, which had banned the practice. The University Club's house rules also restrict electronic devices, photography,