Residents interested in filling a vacancy as an associate member of the Planning Board must submit a letter to the board by Wednesday. The Planning Board and Board of Selectmen will meet jointly on Feb. 11 to make the interim appointment. The new member would serve until June 30. An associate member would act on a special-permit application in case of absence, inability to act, or conflict of interest on the part of any regular member. Candidates should submit a letter of interest and qualifications to the Planning Board at Boxborough Town Hall, 29 Middle Road, Boxborough, MA 01719, or by e-mail to firstname.lastname@example.org.