The phrase "affect the substance of" is correct and usable in written English.
You can use it when discussing how something influences or changes the essential nature or content of a subject.
Example: "The new regulations will significantly affect the substance of our current policies."
Alternatives: "influence the essence of" or "impact the core of".
Proponents of the bill say the negotiated changes do not affect the substance of the legislation.
It was necessary to make changes, as I said in the introduction, but they don&apos t affect the substance of the book.
This necessitated many insertions and deletions in the first two paragraphs, which, however, did not affect the substance of the section.
The Dutchess prosecutor in that case, Matthew A. Weishaupt, argued that Rosie and dogs like her did not affect the substance of the testimony about horrifying crimes.
Labour plans to keep the Human Rights Act, with added "responsibilities", would not affect the substance of the act and would only require superficial changes to the devolution statutes, a spokesperson said.
The transcript suggests the omission of the false start at the beginning of the exchange did not materially affect the substance of the proposition to which Brough was agreeing – even if in a strict legal sense it was true that part of the question was edited out.
That affects the substance of any independence negotiations, but also how long the process would take, and who would take part.
("For decisions of the Commission relating to the compatibility of a merger with the common market, the locus standi of third parties concerned by a merger must be assessed differently depending on whether they…rely on defects affecting the substance of those decisions or…submit that the Commission infringed procedural rights granted to them by the acts of the" EU).
It has changed in many other ways demographically, intellectually, financially, technologically and in terms of its missions, its stakeholders, and its scale and these changes have affected the substance of teaching and research.
Family members, especially parents, affect the substance use of adolescents.
"This proposal does not affect the substance or methodology of risk assessments, and it does not weaken any health standard," said Leon R. Sequeira, the assistant secretary of labor for policy.
