Using the Apple Channel Signature on Headers Use a two-line Apple channel signature at the recommended size of 35 pixels high on website or email headers. The minimum space between the reseller identity and the Apple channel signature is 35 pixels as shown below. Use only one signature on a page or header layout. Use the two-line signature at a height of 35 pixels. Plenty of clear space allows the Apple channel signature to stand out. A signature can be placed in the content area. In regions where the localized Apple channel signature is not available in a two-line configuration, the one-line signature can be used on headers. Apple Identity Guidelines for Channel Affiliates and Apple-Certified Individuals August 2016 15