Today's NLP makes for interesting reading on page 2. As part of the latest rejig of the semi pro game, looks like one season only, 2017-18 will see top two up automatically plus a play off winner. I suspect it's as you were the season after.
Don't think it'll be as good as it sounds. When creating an extra division with league sizes being reduced we even if we did get promoted would be as far from conference south a now
Bit confused by that unless an extra conference division is being created. Or after next season only 1 club will be promoted to conference south from each feeder league.