Is it permissible to audit bank accounts? Is the ruling same for external and internal auditors?
Is the ruling for Riba for business & Trade different from the ruling for Riba for personal use? Is there a different for simple versus compound interest?
Taking out a warranty on possessions and properties is not permissible as it is a type of insurance.
However, warranty (standard or extended) taken at the time of and as a part of the initial purchase deal is permissible.
Basics of Islamic Inheritance Law