According to Jewson, it involves "complex matters of interpretation and judgement" and the company is "continuing to engage in correspondence with them [HMRC] and we expect this to continue in the coming months".
Another Kobach backer is Ian Smith, who resigned from the US Department of Homeland Security earlier this year after the Atlantic published a detailed report showing that he had engaged in correspondence with white supremacists and racists.
"They also contain remarks about public affairs which would in my view, if revealed, have had a material effect upon the willingness of the government to engage in correspondence with the Prince of Wales, and would potentially have undermined his position of political neutrality".
Grieve's rationale was that the letters were "in many cases particularly frank," and "contain remarks about public affairs which would in my view, if revealed, have had a material effect upon the willingness of the government to engage in correspondence with the Prince of Wales, and would potentially have undermined his position of political neutrality".
At the time, Mr Grieve warned they "contain remarks about public affairs which would in my view, if revealed, have had a material effect upon the willingness of the government to engage in correspondence with the Prince of Wales, and would potentially have undermined his position of political neutrality".
He said that "in my view it is of very considerable practical benefit to the Prince of Wales' preparations for kingship that he should engage in correspondence and engage in dialogue with ministers about matters falling within the business of their departments".
"They also contain remarks about public affairs which would in my view, if revealed, have had a material effect upon the willingness of the government to engage in correspondence with the Prince of Wales and would potentially have undermined his position of political neutrality".
For her final year project, Ellis engaged in correspondence with two isolated islands in the South Atlantic and Pacific Oceans: Tristan da Cunha and Pitcairn.
For a lawyer in particular, being under surveillance can be a "death sentence for your career" because clients may be reluctant to engage in correspondence, said Shayana Kadidal, a lawyer for the Center for Constitutional Rights, an advocacy group in New York.
He engaged in correspondences with Elizabeth Thomas ("Corinna"), Damaris Cudworth (Lady Masham), Mary Astell and Locke, among others.
I know you talked about having choices, but presumably we wouldn't be engaging in this correspondence unless you liked my home best.
