This video will guide you in finding the ACK number on your La-Z-Boy furniture, as well as explain other important information on the Product Identification Tag. ACK Number is short-form for Acknowledgement Number. This is a serial number that is found on the Product Identification Tag of all La-Z-Boy furniture. 0:00 - Intro 0:17 - What is the ACK Number? 0:37 - Where is the ACK number located? 1:23 - Why is the ACK number important?