✓ For all other business types, you should fill out the Company (Legal Business) Name. 2. Enter the owner telephone number. 3.Submit an online application following the instructions in the WIC Vendor User Guide. DC WIC is currently accepting vendor applications for the upcoming Vendor Agreement Cycle which will run October 1st, 2022, through September 30th, 2025. (1) Purchase WIC approved infant formula directly from an infant formula manufacturer or supplier named on the "WIC approved infant formula suppliers" document. WIC Vendor Interactive Training Webinar. If you are interested in applying for WIC, contact us at 509.324. 1620 or fill out the WIC Interest Form to find out if WIC can help your family. How long does the application process take? The WIC program provides nutritious food, personalized care, health screenings, breastfeeding support, and a lot more!