When you (want to) consult the Messenger in private (Surah Al-Mujadilah 58: 12-13)

Are you afraid of spending in charity before your private consultation (with him) If then you do it not, and Allah has forgiven you, then perform Salah and give Zakah and obey Allah and His Messenger. And Allah is All-Aware of what you do. (Surah Al-Mujadilah 58: 13)

The Order to give Charity before One speaks to the Prophet in private

Allah commanded His believing servants, when any of them wanted to speak with Allah's Messenger (Sallallahu Alayhi wa Sallam) in secret, to give away charity beforehand so that his charity cleanses and purifies him and makes him worthy of having a private counsel with the Prophet (Sallallahu Alayhi wa Sallam). This is why Allah the Exalted said,

That will be better and purer for you then He said,

But if you find not meaning, if he is unable to do so due to poverty,

then verily, Allah is Oft-Forgiving, Most Merciful He only commanded those who are financially able to give this type of charity. Allah the Exalted said,

Are you afraid of spending in charity before your private consultation  meaning, are you afraid that the order to give charity before speaking privately to the Prophet (Sallallahu Alayhi wa Sallam) remains in effect forever

If then you do it not, and Allah has forgiven you, then perform Salah and give Zakah and obey Allah and His Messenger. And Allah is All-Aware of what you do. Therefore, Allah abrogated the obligation of giving this charity. It was said that none has implemented this command before except its abrogation, `Ali bin Abi Talib. `Ali bin Abi Talhah reported from Ibn `Abbas (Radhi Allahu Anhu):

spend something in charity before your private consultation. "The Muslims kept asking Allah's Messenger questions until it became difficult on him. Allah wanted to lighten the burden from His Prophet (Sallallahu Alayhi wa Sallam). So when He said this, many Muslims were afraid to pay this charity and stopped asking. Afterwards, Allah sent down this Ayah,

Are you afraid of spending in charity before your private consultation If then you do it not, and Allah has forgiven you, then perform Salah and give Zakah Thus Allah made things easy and lenient for them.'' `Ikrimah and Al-Hasan Al-Basri commented on Allah's statement:

spend something in charity before your private consultation. "This was abrogated by the next Ayah:

Are you afraid of spending in charity before your private consultation.... '' Sa`id bin Abi `Arubah reported from Qatadah and Muqatil bin Hayyan, "People kept questioning Allah's Messenger (Sallallahu Alayhi wa Sallam) until they made things difficult for him. Allah provided a way to stop their behavior by this Ayah. One of them would need to speak to Allah's Prophet (Sallallahu Alayhi wa Sallam) about a real matter, but could not do so until he gave in charity. This became hard on people and Allah sent down relief from this requirement afterwards,

But if you find not, then verily, Allah is Oft-Forgiving, Most Merciful.''  Ma`mar reported from Qatadah that the Ayah,

When you (want to) consult the Messenger in private, spend something in charity before your private consultation  was abrogated after being in effect for only one hour of a day.

Abdur-Razzaq recorded that Mujahid said that `Ali (Radhi Allahu Anhu) said, "No one except me implemented this Ayah, until it was abrogated,'' and he was reported to have said that it remained in effect for merely an hour.


Source: Tafsir ibn Kathir (Abridged)