The ruling on praying four rak'ahs before or after the midday prayer with a single closing salam

Question:
May Allah reward you, Honorable Shaykh. This questioner from Abu Husayn in Shadrah says: Is it permissible for me to pray the four rak'ahs of the regular voluntary prayer before or after the midday prayer with a single closing salam, or is it necessary to separate them with a salam? And what is the best?

Answer:
During the day, there is nothing wrong with praying four rak'ahs with a single closing salam. However, the more correct view is to separate every two rak'ahs with a salam; this is the best and the stronger position. So if he prays four rak'ahs with a single closing salam during the day, that is permissible for him, because the Prophet (peace and blessings be upon him) said that the night prayer is prayed in pairs of two, and the implication of this is that the ruling regarding the day prayer is broad.