When applying for a US mortgage, submit translated documents including employment/income information, such as recent salary statements and W-2 forms for non-UN staff. Retirees need pension and Social Security Award Letters. Self-employed borrowers must provide tax returns and profit/loss statements. Include bank statements, proof of assets, and documentation for non-US citizens. For refinancing, provide current mortgage statements, insurance, and financial documents for condos or co-ops. Additional documentation may be requested at UNFCU's discretion.