Marie Rimmer, 69, the MP for St Helens South and Whiston, denies assaulting Patricia McLeish outside Shettleston Community Centre on 18 September 2014.
She also denies behaving in an abusive manner towards other Yes campaigners.
The part-heard trial at Glasgow Sheriff Court was adjourned as Ms Rimmer's solicitor advocate was not available.
Liam Ewing has represented the MP at her trial on earlier occasions but the court heard he is currently involved in a High Court trial.
Sheriff Kenneth Hogg adjourned Ms Rimmer's trial until November.
The trial of a Labour MP accused of kicking a "Yes" campaigner on the day of the independence referendum has been adjourned until later this year.