You might need to update your plugin to make sure Pay Later shows as an option for orders above £15,000
If your iwocaPay checkout shows Pay Later and Pay Now you don’t have to update your plugin.
Your trade customers should see Pay Later as an option for any order amount and should have no problem using it for orders above £15,000.
If your iwocaPay checkout only shows Pay Later you’ll need to update your plugin.
Otherwise your trade customers will only see Pay Later as a payment option in the checkout for orders up to £15,000. Once you update it'll automatically show Pay Later as a payment option for orders up to £30,000.