Minister Eoghan Murphy is expected to announce the details of how long potential nominees should end up at the ballot box.
Once issued, local authorities and members of Oireachtas can formally return candidates and those wishing to challenge Michael D Higgins can file their papers.
Eight candidates sought the support of the local authorities during a number of sessions yesterday.
The second place in the 2011 election Sean Gallagher had indicated that he would make his intentions clear after the warrant was issued, which means that we can know if he will start the race again by the end of the week.
The nomination step probably closes at the end of September for a presidential election on 25 or 26 October.