Sentence examples for not at issue from inspiring English sources

"not at issue" is a correct and usable phrase in written English.
It is typically used when discussing a subject or topic that is not the main focus of the conversation or argument, but is mentioned in passing. It can also be used when stating that something is not being disputed or questioned. Example: "The company's financial stability is not at issue here, as their profits have consistently increased over the past five years." In this sentence, the speaker is acknowledging the topic of the company's financial stability, but is clarifying that it is not the main point of discussion. They are implying that the company's financial stability is not being questioned or disputed in the context of their current conversation.