No. QR codes do not have an expiration day. Each QR code is programmed that has a url to digital material. It can be done to “pause” this backlink, but as long as it's Energetic, the QR code will get the job done. MyQRCode keeps your QR code Lively for https://bookmarkgenious.com/story14402157/the-definitive-guide-to-qr-codes