The Illinois Sheriff Service Instructions Former 07-01-2017 is a document that must be completed by applicants who wish to use the services of an Illinois Sheriff for service of process. The form provides instructions for properly completing the application and submitting it to the local sheriff's office. There are two types of forms: the Sheriff Service Instructions Former 07-01-2017 and the Sheriff Service Instructions Formed 12-01-2016. Both forms are used to request service of process, but the NEW 07-01-2017 form includes updated instructions. The form requires applicants to provide their name, address, contact information, case information, and payment information. After completing the form, applicants must submit it to their local sheriff's office for processing.