How do users opt in? March 28, 2023 06:43 Updated Users may opt in by following these steps: Related articles What is included in the POSM set? Is there any MDR charges for P2P seller QR payment? What is P2P seller? Will P2P Seller have access to the Merchant Dashboard? What if I haven’t received my POSM set after 14 working days, or if my set is damaged?