> 1. No tipping waiters allowed.
2. No tipping waiters is allowed.
3. No tipping waiters are allowed.
4. No tipping of waiters is allowed.
5. Not tipping waiters allowed.
6. Not tipping waiters is allowed.
7. Non-tipping waiters are allowed.
2. No tipping waiters is allowed.
3. No tipping waiters are allowed.
4. No tipping of waiters is allowed.
5. Not tipping waiters allowed.
6. Not tipping waiters is allowed.
7. Non-tipping waiters are allowed.