# Contact Controls (CONTACT.CONTROL)
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The CONTACT.CONTROL procedure is used to define standard contact types for use in the accounting modules, such as Accounts Payable and Accounts Receivable. The purpose is to associate contact type codes, or contact ID's, to modules so the correct contact information will be displayed. For example, if you specify a contact ID of "AR", with a file name of "AR" also, then the contact in the customer file associated to the AR code will be displayed on the reports such as aging and collections.
It is important to be consisent when entering the codes into the customer and vendor files.
Frequency of Use