Sustainability requirements: U.S. Bancorp's Supplier Development and Diversity program focuses on identifying, developing, and fostering relationships with small and diverse businesses. The program aims to drive awareness, education, and training; develop supplier diversity strategies; identify and expand relationships; support diverse and small business growth; track performance; and invest in events and outreach engagements. The company encourages its prime suppliers to commit to inclusive spending and offers a Tier 2 program that provides subcontracting opportunities to small and diverse suppliers. Additionally, U.S. Bancorp supports certification for these suppliers through a sponsorship program that alleviates financial burdens and offers technical assistance.