Received a letter concerning form 8962?

I received a letter stating that I must file form 8962 with my return IF premium payments were made to my tax credit, or there will be a delay in my r

I received a letter stating that I must file form 8962 with my return IF premium payments were made to my tax credit, or there will be a delay in my return. No premium payments were made to my knowledge, so what action do I take, if any?

or:I received a letter stating that I must file form 8962 with my return IF premium payments were made to my tax credit, or there will be a delay in my return. No premium payments were made to my knowledge, so what action do I take, if any?

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