Dunning and Collection Strategy - Different by invoice

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Is the following possible or would we be looking at different accounts with different strategies and dunnning letter sets.

Scenerio is we have Account for a customer.

They have two invoices;

Invoice 1 for Fees

Invoice 2 for Accomodation

If invoice 1 is not paid then we have a debt collection strategy with various tasks eg at 30 days IT account is turned off, there is a specific set of letters for this eg warning it going to be turned off.

If invoice 2 is not paid then there is also a strtegy but it is different eg at 30 days eviction notice is issued, with a specific set of letters