According the Recreation Manual, Chapter 2, Section 4, 2.8:
Appropriate golf attire must be worn while participating in golf games: men: tailored pants or shorts, sports shirts with collars and sleeves, or recognized branded collarless golf shirts; women: shirts with collars, which may be sleeveless, shirts without collars must have sleeves, tailored pants, shorts or “skorts”. (No denim/blue jeans, undershirts/vests, rugby/soccer shirts, running shorts, track or leisure suits, tee-shirts with slogans, etc.)