Which of the following is also known as Contingent Liability of the banks?

Non-fund based lending
In Non-fund based lending, bank does not make any funds outlay but only gives assurance. The “letter of credit” and “bank guarantees” fall into the category of non-funding loans. The non-funding loan can be converted to a fund-based advance if the client fails to fulfil the term of contract with the counterparty. In banking language, the non-funding advances are called Contingent Liability of the banks.