The row over welfare is also another headache for Scottish party leader Anas Sarwar - who is being dealt a tough hand by his own Prime Minister.
With a Holyrood election to fight next year, and Labour already trailing the SNP in the polls, he has to again try to explain away unpopular decisions taken in London.
John Swinney has already called on the UK Government to think again.
The First Minister is adept at presenting himself as the voice of reason in Scotland against uncaring policies implemented by Treasury mandarins.
The drive to make benefits harder to obtain has infuriated many in Labour.
Several members, such as disability campaigner Carolynne Hunter, have already gone public with their decision to quit the party. Carolynne's daughter has severe cerebral palsy and she previously launched a successful campaign to highlight the struggles faced by families like hers due to soaring energy prices.
She's unlikely to be the only party member in Scotland to quit once the exact details of the welfare reforms are made public.
Work and Pensions Secretary Liz Kendall is due to make a statement today at 2.30pm.
A rumour...