GC's are not required to send a general 31-day preliminary notice. GC's must send a notice of intent to lien instead.
- NOI must be send at least 15 days before lien filing
- NOI must be sent to owner
- Failure to send an NOI means loss of lien rights
Additionally, if not contained within their contract itself, direct contractors should provide a "lien information notice" to owners and subs.