Here is how to record a recurring expense using Moon Invoice. 

1. To make an expense a recurring expense, please checkbox the recurring box while recording an expense. 
2. Once you check the recurring box, the expense shall be considered as the recurring expense. To make it a nonrecurring expense, please undo the check box. 
3. Select the interval and the date for following the interval guidelines to generate the recurring expense automatically in the system. 
4. Click on Save.