The accounting principle that requires important noncash financing and investing activities be reported on the statement of cash flows or in a footnote is the:\

Full Disclosure Principle

Explanation:

The Full Disclosure Principle is a principle in Accounting that aims to be keep the relevant business information as transparent as possible. The principle therefore requires that all information relating to the business be disclosed so that the stakeholders in the business will be able to reasonably understand the operations of the business.

As only financial data can be reported in financial statements such as cash related activities in the Cashflow Statement, the principle requires that important noncash financing and investing activities be reported on the statement of cash flows or in a footnote so that the readers of the statement will not have any missing information.

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link :

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