Tax authorities have urged firms with cash flow problems to get in touch as soon as possible amid claims that some business owners cannot afford to pay themselves this month.
The fallout from last week's snow is expected to throw up tax payment problems as temporary cash-flow difficulties take hold.
Revenue's new Collector General, Joe Howley, said "early engagement" is key to cutting down on stress and anxiety."We are generally able to arrive at an accommodation that gets them successfully beyond the payment pressure point and able to focus on running their business."
It comes as the Government was told Storm Emma would have been easier for businesses to manage if it had focused on delivering infrastructure instead of launching glossy plans promising a better future.
The Small Firms Association (SFA) said significant business was lost last week because of the country's creaking infrastructure. SFA director Sven Spollen-Behrens said more people could have worked from home last week if broadband connectivity met international standards.
"It is nice to have supersonic brochures about Ireland 2040 but they should get on with the National Broadband Plan now, get the tender process going again and start rolling the broadband out. This is insane that we can have the fastest-growing economy in Europe yet be brought to a halt by snowflakes," he said.
Chambers of Commerce called on shoppers to make an extra effort to support local shops and businesses in the week after the disruption.