The ruling on entering the mosque before the iqamah and the prayer being established

Question:
If you enter the mosque before the iqamah, and when the time for prayer is like striking, the prayer is established, do I say the salam to the right and enter the prayer, or do I complete two rak'ahs?

Answer:
There is scholarly disagreement on this issue. Some scholars say that as long as he has entered the prayer, he should complete it, but he should make it light, based on the saying of Allah the Exalted, "and do not invalidate your deeds." So he has entered into a deed, and it is not permissible for him to invalidate it, but he completes it lightly so that he can catch up with the prayer. Other scholars say he should cut it off, based on the saying of the Messenger (peace and blessings be upon him) This covers anyone who has entered the prescribed prayer and the iqamah is called. The correct view in this matter is likely that if he is at the beginning of the prayer, he cuts it off, but if he is at the end of the prayer, meaning most of the prayer has passed, he completes it, because completing it does not take much time from him. As for the issue of whether he said the salam to his right or to his left, there is no need for this. If he said it, it has no meaning, and if he did not say it, there is no harm, because the taslim is only at the conclusion, as the Messenger (peace and blessings be upon him) said It is at the end. This is cutting off.