Anthony's whereabouts have been unknown since she was acquitted.
The 25-year-old was sentenced in January 2010 to probation for using checks that she had stolen from a friend.
Judge Stan Strickland signed a "corrected" version of Anthony's probation order that made clear she was supposed to start the one-year term after her release from jail, not while she was detained waiting for her murder trial.
Her attorneys are likely to challenge the revised order.
Strickland inserted the words "the defendant is to report to Probation upon release" for each of the seven counts of check-writing fraud that Anthony pleaded guilty to in January 2010. The judge also added the words, "nunc pro tunc," a legal term that means something is granted retroactively.
The court order said Anthony must report to a probation officer in three days in Orange County, where Orlando is located, unless otherwise instructed by her probation officer.
A spokeswoman for the Florida Department of Corrections said the arrangements for Anthony's first meeting with a probation officer were being worked out with her attorneys and she didn't know if it would occur in the Orlando area.
The Associated Press contributed to this report.