UTM tracking is not working on our form

The UTM campaign name and source are set up as fields although the information is not pulling through. Our UTM links are correct and have worked in the past. 

I have checked on your submissions and I see all the UTM fields empty, it seems like you have your script to fill these UTM fields on your form; however, seems like it does not fill the fields.

Could you please check your code? 

After checking your code and ensured your UTM fields are filled, if you're still not receiving such info on your form submissions, please let us know. 

Also, do note that you may need the pre-population method on your form, since you're using the iFrame method you can only generate the pre-populated link and use this link in your iFrame. 

Prepopulating-Fields-to-Your-JotForm-via-URL-Parameters