Transaction Type Setup 'Allow Overapplication'

Hi,

Transaction Type setup 'Allow Overapplication' is that mean this pertaining to receip application to invoice?

Is adjustment also includes in the 'Allow Overapplication' to an invoice/

I have an invoice where the transation type setup "Allow Overapplication" is uncheck.

The invoice has receipt application which make the invoice amount to zero, then an adjustmet with negative sign.

is system will allow this as per given transaction type setup/

Thanks,