From Wednesday, the public will once again be asked to stay within 5km of their own homes as part of the new restrictions and all household visits will be banned, while all bars and restaurants will once again be reduced to takeaway and delivery service only.
Non-essential retailers will be forced to close under the new restrictions, including things like pubs, restaurants and hairdressers.
Schools are expected to stay open with the importance of education being stressed this weekend along with needed supports for mental health and the risk of a further increase in domestic violence rates caused by another lockdown.
That includes what happens to the construction sector, most of which may be allowed to continue operating, along with most of the manufacturing sector.
The lockdown will be in place for six weeks, until 1 December.
Yesterday the Department of Health was notified of 1,283 new cases and three further deaths.
Data on Monday showed the number of people claiming COVID-19 jobless payments has risen by 20% to 244,153 in the last two weeks.
It comes after senior Government Ministers met with health officials today to finalise the details of new restrictions for the country. Under the original Level 5 plan no social or family gatherings should take place in other settings.
The country will be moving up to Level 5 Covid-19 restrictions later this week, the Taoiseach Micheál Martin confirmed this evening (Monday, October 19).
Three counties on the open border with Northern Ireland, which is harder hit by COVID-19, are now in Level 4, where only essential retail can stay open.
He said: "I think one of the lessons previously is you don't just flick a switch, you have to give people a wee bit of notice".
Cabinet Ministers are expected to sign off on a plan that will combine aspects of levels four and five.
Speaking on RTÉ's Morning Ireland, she said the people who are really going to struggle would want a full restoration of pandemic unemployment benefits and wage subsidies.