What is the ruling on subscribing to a supplementary pension scheme that deducts 35 days annually from the salary, with the company supplementing it by a certain percentage, and a monthly amount being disbursed to the employee for 10 years upon reaching retirement age, or to the heirs in full, along with its proceeds, in the event of death; and what should one do if compelled to subscribe to it?

It is permissible to subscribe to what is deducted from the salary or granted by the company to the employee if it is saved for him and disbursed upon retirement or to his heirs after his death, or if it is a bonus paid to him. However, if it is invested in usurious banks or prohibited institutions, then it is not permissible to subscribe to it. Similarly, it is not permissible if the investment conditions are Islamically invalid, such as stipulating a specific amount to be paid for a specific period. If the subscription is prohibited, then it is not permissible to obey one's parents in it, because there is no obedience to a creature in disobedience to the Creator.