Visitors to Glasgow city centre today face uncertainty over whether to pay for street parking.
Glasgow City Council has insisted that new Sunday parking charges will be enforced from today.
But traffic wardens’ union GMB has warned that the council will not have enough staff to issue tickets.
The union has balloted its members over potential strike action over increased Sunday working, with the result expected tomorrow.
GMB Scotland organiser, Rhea Wolfson, said: “For the second consecutive week this policy will not be enforceable and that’s down to City Parking management putting the cart before the horse.
“The policy as it stands is unworkable and our members are clear that they will not be bulldozed into increased Sunday working through imposition.”
Glasgow City Council said the new Sunday charges became legally enforceable last Sunday but that drivers were issued with warnings for that day only.
A council spokesman said: “Parking attendants already undertake enforcement action on a Sunday and so what we are proposing is a relatively modest change to the shift pattern.”
The St Enoch Centre is offering free Sunday parking this month to shoppers who spend £50 or more within the centre.