Casey Anthony and her lawyer Jose Baez
Casey Anthony and her lawyer Jose Baez (L) leave the Orange County Jail in Orlando, Florida July 17, 2011. Reuters

A Florida judge has ordered Casey Anthony back to the state by Aug. 26 to serve a probation period for the 2010 check fraud conviction.

Judge Belvin Perry rejected claims by Anthony's lawyers that the she already served her probation while in jail waiting for the murder trial for allegedly killing her 2-year-old Caylee in 2008.

Judge Stan Strickland accepted Anthony's guilty pleas in the 2010 check fraud case and has said she was to serve a year of probation after her release from jail. However, the intent to have that probation begin after her release wasn't written into the final order, and Strickland had to filed a clarified version on Aug. 1, following Anthony's July 17 release, Reuters reported.

Anthony's lawyers filed an emergency motion to quash that order thereafter.

But Perry on Friday wrote that Anthony's lead defense lawyer, Jose Baez, knew that the confusion had led the Florida Department of Corrections to allow Anthony to serve her probation while in jail awaiting her murder trial, according to Reuters.

Anthony's probation on the check fraud ended Jan. 24 and so she was able to walk as a free woman when she was acquitted of murder last month.

The defense lawyers have claimed in court that they weren't obligated to speak up about the probation confusion.

But Perry said lawyers have a "duty of candor," and are responsible for ensuring that court orders are followed, and added that he wouldn't allow Anthony to benefit from the situation.