To automate your sales rules to run yearly, select Repeat Yearly under Optional Settings in your Discount Rules Settings:

Select the starting month (e.g. 1 = January and 12 = December), day and time that you want the sales rules to begin:

Lastly, key in the End month, day and time that you want to sales rule to end:

Once activated, the sales rule will run and end every year automatically on the defined start and end month, date and time.

SPECIAL NOTE: If the 29th February is selected in either the Start and End month/day, it will not be activated in years without a leap year.