There are just few steps to set "Accept Special Instruction(s)" for your store.
Step 1:
Login to your Yamimeal Merchent Portal via https://merchant.yamimeal.com/web/merch/#/login
Step 2:
Click on “Merchant Settings” and select “General”
Step 3:
Scroll down and click on "Business Settings"
Step 4:
Scroll down to "Accept Special Instruction(s)" section
Step 5:
Confirm your choice and click "Submit"
If you need further assistance for this request, please send a ticket to Yamimeal customer care representatives via https://help.yamimeal.com/support/. We will try our best to help you as soon as possible.