You mean when does that kick in?
If the domain name is registered with or transferred to the registrar on March
2, 2007, then you can transfer it out of the registrar 60 days after March 2.
That's roughly May 2 at least.
As 3par stated, Go Daddy has their own internal 60-day rule. If you changed,
say, any of the registrant fields (name, address, email) on March 2, then they
will let you transfer it out on May 2 at least.
I don't recall any similar restrictions with Registerfly other than the register or
transfer to them. That's something you'll have to ask them.