Issue with LifeLine Benefit

I switched from ACP and then was approved for the LifeLine Benefit.  I called Xfinity and gave them my application ID, and my services were restored. Immediately after,  i received an email stating that ACP had been applied to my account,  which i found weird because thats a different benefit program entirely.  I decided to ignore it. Then today, now 3 weeks later, I received an email saying that they were removing my benefits and that I was going to be charged for last months benefit and going forward. I have verified several times while looking at the government website that ACP and LifeLine are two separate programs, and the difference is that LifeLine allows you to have 2 service producers for mobile and internet etc. Whereas ACP only allows you to choose from one or the other. If you have LifeLine, you can still use ACP plus an additinal low income benefit. THAT IS WHAT THE GOVERNMENT SITE SAYS.  I spoke with someone on the phone and he tells me that Comcast doesn't work with LIFELINE??!! What?!  How is that even possible?  I feel like I'm getting the run around because Comcast doesn't have their stuff together.  The representatives that handle your account do not know the difference between the two programs and automatically assume it's all ACP, and then they tell you you can only have one benefit. Which according to the government site, IS NOT TRUE. I need someone knowledgeable and informed to help me with this situation. Thanks.