During the period beginning at 12 noon, New York time, on March 7th and ending at 3:59:59 p.m., New York time, on March 9th, clubs are permitted to contact, and enter into contract negotiations with the certified agents of players who will become Unrestricted Free Agents upon the expiration of their 2016 player contracts at 4:00 p.m., New York time, on March 9. However, a contract cannot be executed with a new club until 4:00 p.m., New York time, on March 9.
During the above two-day negotiating period, no direct contact is permitted between a prospective unrestricted free agent and any employee or representative of a club, other than the player’s current club.
The 2017 League Year and Free Agency period begin at 4:00 p.m., New York time.
The first day of the 2017 League Year will end at 11:59:59 p.m., New York time, on March 9. Clubs will receive a personnel notice that will include all transactions submitted to the League office during the period between 4:00 p.m., New York time, and 11:59:59 p.m., New York time, on March 9.
Trading period for 2017 begins at 4:00 p.m., New York time, after expiration of all 2016 contracts.

Sanders is currently the lone Broncos offensive player headed to the Pro Bowl.
The NFL's schedule of important dates up until the 2017 NFL Draft.
Joseph also told PFT Live that the first thing he did after taking the job and getting into his office was to call new Offensive Coordinator Mike McCoy.
A concentrated look at the recent juice on the Denver Broncos.
A quick look at the recent buzz on the Denver Broncos.
Broncos TV's Matt Boyer shows us how rookie safety Will Parks made an impact on the 'No Fly Zone' in his first NFL season.
An All-Pro as a player, Robertson brings 10 seasons of coaching experience with the Titans, Lions and most recently the Raiders.
Stewart will join three of his teammates in Orlando.
After two years as secondary coach, Woods becomes defensive coordinator with a clear task: keep the defense among the league's elite.
A quick look at the recent buzz on the Denver Broncos.
Both were also selected to the PFWA's All-AFC team.
A quick look at the recent buzz on the Denver Broncos.
Sanders is currently the lone Broncos offensive player headed to the Pro Bowl.
The NFL's schedule of important dates up until the 2017 NFL Draft.
Joseph also told PFT Live that the first thing he did after taking the job and getting into his office was to call new Offensive Coordinator Mike McCoy.
A concentrated look at the recent juice on the Denver Broncos.
A quick look at the recent buzz on the Denver Broncos.
Broncos TV's Matt Boyer shows us how rookie safety Will Parks made an impact on the 'No Fly Zone' in his first NFL season.
An All-Pro as a player, Robertson brings 10 seasons of coaching experience with the Titans, Lions and most recently the Raiders.
Stewart will join three of his teammates in Orlando.
After two years as secondary coach, Woods becomes defensive coordinator with a clear task: keep the defense among the league's elite.
A quick look at the recent buzz on the Denver Broncos.
Both were also selected to the PFWA's All-AFC team.
A quick look at the recent buzz on the Denver Broncos.
Sanders is currently the lone Broncos offensive player headed to the Pro Bowl.
The NFL's schedule of important dates up until the 2017 NFL Draft.
Take a look back at the top 5 offensive touchdowns of the 2016 campaign.
Joseph also told PFT Live that the first thing he did after taking the job and getting into his office was to call new Offensive Coordinator Mike McCoy.