If it happens that Allah enriches the poor debtor and the owner of the money collects his funds from him, is zakah obligatory on him for the past period or not? And is zakah obligatory for the year of his receipt before the completion of the lunar year?

The Shaykh : All right, if it happens that Allah enriches the poor debtor and you collect from him, is zakah obligatory on you for the past period or not? It is not obligatory on you, even if the money remained with this poor debtor for ten years and you collected it from him, you owe no zakah. However, the scholars differed on whether you are obligated to pay zakah for the year of receipt, meaning that you should pay zakah from the time you receive it, or whether there is no zakah on it until the lunar year completes? The stronger position is that it is obligatory for you to pay zakah for one year from the time you receive it. And what remains with us?