Is it obligatory to fast the remaining seven days before the end of Dhul-Hijjah, after fasting three days during Hajj due to inability to offer a sacrifice?

Whoever does not find a sacrificial animal must fast three days during Hajj and seven when he returns. It is permissible to fast the remaining seven days after returning to your country, and it is not a condition that they be in Dhul-Hijjah nor that they be consecutive. Rather, what is apparent is the general permissibility of fasting after returning, without specifying a particular time.