The EPA said it had "assessed the completeness" of Tasman’s application, received on August 23, and accepted it as complete on September 6.
The EPA would publicly notify the application "in due course" and its documents would be available when the application was notified.
After having spent about $66million in research and development, Trans Tasman’s first bid was rejected by the EPA last year, while Kiwis Against Seabed Mining (KASM) gathered a record 4800 submissions at that time.
KASM began a series of public meetings on the North Island’s west coast this week, with meetings already held at Piha and Muriwai beaches.
KASM chairman Phil McCabe said the EPA was expected to notify the four-week public submission period on September 20.
Mr McCabe said there had already been a "strong response" against Tasman’s new application, and that mining the seabed for ironsands was a "highly destructive and experimental industry".
Trans Tasman wants to suction-dredge ironsands on the seafloor at depths of about 40m.
Mr McCabe said opposition included local iwi, recreational fishers, surfers, beach-goers and people with a love for oceans.
● Separate would-be seabed miner Chatham Rock Phosphate, whose first application was denied last year too, intends to reapply in mid-2017.
