You’ll want to read this Wrightslaw post about Prior Written Notice (PWN) and article and print out several copies of this nice little form with you.
Whenever you ask for something in an IEP meeting (as assessment, a placement change, any program changes) and someone says quickly says “no”, justs whip out this form, fill it out and get the district representative to sign it once it’s completed.
It’s a game changer. The law requires a written record of actions proposed by IEP members and you, as a parent, are one.