33 C.F.R. § 161.19

Unless otherwise stated, at least 15 minutes before navigating a VTS area, a vessel must report the:

(a) Vessel name and type;

(b) Position;

(c) Destination and ETA;

(d) Intended route;

(e) Time and point of entry; and

(f) Dangerous cargo on board or in its tow, as defined in § 160.202 of this chapter.