From Our Rules Chair, Michelle:

So you’ve hit your shot and while it’s not near an OB area, it is in a dense area of trees between two fairways, can you hit a provisional ball? Yes, (rule 18.3) and probably a wise move since the search time has now decreased to 3 minutes and our club is NOT adopting the new local rule E-5 (2 stroke penalty, play in reference area where it went out or lost), it will save you the time of running back to where you last hit.