My advice would be for you to go to your plan's website and download the SPD - the Summary Plan Document. Look for "Loans." If your plan allows loans, the procedure will be spelled out in detail there. If your plan does not have a website, then you must speak directly with the plan administrator or your HR department. They will be able to help you. Loans are usually repaid via payroll deductions and must be paid on a certain time-table. Interest must be charged and the loan usually must be paid back over a period of not more than 5 years.