Ramsbottom United are through to the Evo-Stik play-off final after beating Darlington 1883 2-0 away on Wednesday night.
The Riverside men will go up to the Premier Division if they beat Bamber Bridge away on Saturday.
It will be the biggest day in the club's history and Ramsbottom will take heart from a magnificent victory at Darlington in front of a huge crowd of 1,926.
Two goals in the first half put them in control and Darlington went down to 10 men three minutes into the second half.
The game at Bamber Bridge kicks off at 3pm.