The 45-year-old assemblywoman pleaded not guilty to a felony grand theft charge on Oct. 27 and was released on $15,000 bail.
Hayashi was not required to appear in San Francisco Superior Court for a hearing Tuesday morning to set a date for the preliminary hearing.
After Tuesday's hearing was continued to Dec. 7 to discuss the status of evidence in the case and possibly set a preliminary hearing date, prosecutor Paul Brennan asked that Hayashi be required to appear at all future hearings.
Judge Gerardo Sandoval initially granted the request, but Hayashi's attorney Douglas Rappaport objected.
Sandoval then talked privately with Brennan and Rappaport and reversed his decision, waiving her appearance for the Dec. 7 hearing.
District Attorney's Office spokesman Omid Talai said prosecutors had requested that Hayashi appear at the hearings "to treat her the way any other defendant would be treated."
Rappaport declined to talk to reporters outside the courtroom after the hearing about what was said to the judge.
Hayashi's spokesman Sam Singer has said the arrest was "a mistake and misunderstanding."
Singer said she carries two cell phones and was texting and talking on the phone with a bag in her hands and inadvertently stepped outside the store.
Hayashi was elected in 2006 to represent the 18th Assembly District, which includes Pleasanton, Hayward, Castro Valley and Dublin.
She is a member of the leadership team for Assembly Speaker John Perez, serving as chair of the Assembly Committee on Business, Professions and Consumer Protection.
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