INDIVIDUAL_ACKNOWLEDGE with a durable consumer

Hi,
i'm a newbie with AMQ achnolegment.

AMQ 5.8.0 (soon upgrading to 5.9.1)

I have a durable subscriber on a TOPIC. There is no transaction.

I need to ACK or NOT each consumed message after a short process.

I've tried to configure in INDIVIDUAL_ACK that seems to be a good way but
it's seems also not to be compatible with a Durable Subscriber.

So, how can i do ?

Thanks.