The government is to face more questions at Westminster later about the ongoing disruption to trade across the new Irish Sea border.
Sir Jeffrey Donaldson is due to table an urgent oral question, listing examples of the affect on businesses.
Sinn Féin said they have concerns, but have been reassured the supply of fresh food has almost returned to normal.
The DUP will call for the NI protocol to be revoked in the face of economic damage.
However the government has resisted the party’s calls so far.
On Tuesday, the UK’s major supermarkets wrote to the government, warning an “urgent intervention” is needed to prevent further disruption to NI food supplies.
Mr Donaldson will quote 17 examples of disruption in his party’s ongoing fight against the Northern Ireland protocol.
Five of these are:
The ‘Irish Sea border’ is a consequence of Brexit and means that most commercial goods entering NI from GB require a customs declaration.
The first goods crossed the new trade border between Northern Ireland and the rest of the UK on 1 January.
Sinn Féin has blamed the new trading adjustments for the problems, along with delays at Dover,
On Tuesday they said 95% of the supply of fresh food had been restored.