The Irish Football Association has formally applied for planning permission to redevelop Windsor Park.
If permission is granted Northern Ireland's stadium, which is also home to IFA Premiership club Linfield, will have its seated capacity increased to 18,000.
Irish FA chief executive Patrick Nelson said: "We had made it a key target to have our planning application submitted by this date and I am delighted that we have achieved this.
"The design for our redeveloped national stadium truly is impressive, and I would like to thank everyone who took the time to give their thoughts and ideas to us during the community consultation process.
"I know that the new Windsor Park will be a stadium that we will all be proud of."
The IFA now hopes a £29.2m project, with £25.2m provided by the Government, will begin in September next year.