To apply for an SSS salary loan, you generally need to be a member of the SSS for at least 36 months, with at least six months of contributions within the last 12 months. You will also need to submit valid identification and a loan application form. Remember that the actual approval and amount may vary based on your individual membership status and contributions. It's a good idea to check the SSS official website or contact their office for the most accurate and up-to-date information regarding the requirements.