Yes, those charges/credits will apply when the recurring lessons charges are applied on the first of the month.
Any additional charges or credits that have been applied will be viewable on the lesson's monthly report.
To view upcoming charges:
From the left navigation menu, click Classes & Lessons > Lessons Admin.
Click Acnts/Revenue.
Click Monthly Simulation Rpt Okay.
The upcoming charges appear under the Extra Charge/Credit column of the report.