The Police probe into the events have continued this week, the the charge being finalised today.
Police say Stewart had been talking with a 17-year-old female on or about 8pm on Friday evening outside his house in Manly before she was allegedly assaulted.
Soon after these alleged events occurred, Stewart was arrested by Police.
After being taken into custody, Stewart refused the Police questioning and was let go without charge – with the Police to conduct further inquiries.
However today, Stewart attended Dee Why police station in an official capacity, flanked by coach Des Hasler and his legal rep Geoff Bellew.
After a discussions with Police, the Brett Stewart was charged with sexual assault.
Stewart has been granted bail to appear at Manly Local Court on April 7.
With the court date just under a month away, the pressure will now be applied to the player and Manly – as to whether he can continue to play for the Sea Eagles club on a weekly basis. At this stage, Manly are saying that if Brett is mentally and physically able – he will be taking part in the first grade squad.