Is it permissible to benefit from a savings program in which the employer deducts 3% and contributes 6%, and which is received every six years, with the exclusion of usurious interest, for a worker in Israel?

The basic principle in transactions is permissibility unless there is evidence to prohibit it. What the employer gives in excess of what he deducts is a gift, and there is no harm in it as long as he does not take the deducted percentage and benefit from it for himself. As for the interest accrued on the amount, the questioner's action of not benefiting from it is correct, and he is advised to allocate it to the poor, the needy, and for the general welfare of Muslims.