The ruling on one who menstruated and then became pure before the farewell tawaf

Question:
If a menstruating woman becomes pure before leaving the buildings of Makkah, is she required to return to the House for the farewell tawaf?

Answer:
No, she is not required to. If she left while menstruating, she owes nothing.
Q: If she became pure?
A: Even if she became pure, as long as she has left the land, praise be to Allah.
Q: Before leaving the buildings, if she became pure, is she required to return for the farewell tawaf?
A: She is not required to return.