How to generate accounting twice for two different event?

There is a business requirement to generate the accounting at the time of invoice creation

Dr Unbilled Receivables

Cr Revenue

Then to reverse the unbilled receivables accounting at the time of invoice gets printed for which we have DFF which will get automatically populated when invoice gets printed.

Dr Receivables

Cr Unbilled Receivables

So the final accounting will be

Dr Receivables

Cr Revenue

Please provide some suggestion on this.