Yes there are deadlines for applications for financial aid.
Could you please advise what the deadlines for the academic year are?
The deadlines for the 2019/20 Academic Year are as follows: Online Free Application for Federal Student Aid FAFSA forms must be submitted by 11:59 p.m. Central time (CT), June 30, 2020 and any corrections or updates must be submitted by 11:59 p.m.  CT, September 12, 2020.
by the way, is the process complicated? And to finish with the FAFSA, can I do it through the website?