1) Ali opened an Islamic saving account with Bank Islam without stating his intent (niat) because the bank already offers Shariah-compliant saving accounts.
2) When applying for financial contracts like saving accounts, it is important to clearly specify choices like whether funds will be pooled or not to avoid confusion.
3) Minor mistakes in details like applying for a guarantee from one bank instead of another or opening an account in a different location than intended do not invalidate contracts if the overall intent is clear.