Residents wishing to participate in the townwide yard sale weekend must submit applications and a $10 registration fee to the Department of Public Works by Wednesday. The sale is scheduled for Saturday and next Sunday. The event is organized by the North Andover Sustainability Committee to promote reuse of gently used items rather than their disposal. The registration fee will pay for promotional materials and support the program. The application, along with further instructions, is available at townofnorthandover.com.