Use a promotion code
Type the promotion code on the checkout before you pay, and you'll see the price with the discount. The code is used when you pay.
Step 2: Above the pay button, tap Add a promotion code, type the code, then tap Apply.Above the pay button, click Add a promotion code, type the code, then click Apply.

Step 3: The summary shows the discount and the new amount. Pay as usual: the discount is yours from that invoice on.The summary shows the discount and the new amount. Pay as usual: the discount is yours from that invoice on.
Common questions
Why isn't my code accepted?
It may have run out or been used up. Each code is used once per business, and isn't taken while another discount of yours is running. Some codes are only for businesses that never paid for a plan before.
I have an open invoice from the Jalsa team
Pay it as it is from Plan and billing: no code can be added beside it.