Muslim scholars who require the final offer agreement (shigat) and granted
in the form of speech with certain words such as "buy and sell" shows that
muslim scholars of the shafi’i qauly school, while scholars which states
the obligation the final offer agreement and granted, but words which do
not particular like the above, it is said that muslim scholars of the manhajy
school. However, the muslim scholars states that there is no obligation for
the final offer agreement (shigat),these scholars are not shafi’iyyah oriented,
but as a cross-sectarian muslim scholars and not tied to a particular school.
In the context of these final offer agreement (shigat),these scholars argue, in
the opinion of muslim scholars majority stating that the ffansaction without
the final offer agreement (shigat) is considered valid, and this transaction is
called with Ba'i al-mu'atah.