For research that does not entail a demonstration project conducted by or subject to the approval of state or local government officials, an IRB may waive or alter the regulatory elements of informed consent if it finds and documents a number of items, including:

The answer is below

Explanation:

IRB which stands for International Review Board is a form of committees that comprise  or more members with different expertise or background and diversity whose responsibility includes performing reviews and authorizing human subjects study activities on behalf of various institutions.

Hence, in this case, IRB may waive or alter the regulatory elements of informed consent if it finds and documents a number of items, including the following amongst others:

1.  Performing preliminary and continuing review of research study

2.  Selecting which projects require a confirmation from other sources aside  from the investigator that no material modifications have ensued since prior IRB review

3.  Documenting results and activities to the investigator and the institution;

4.  Defining which projects need review more often than yearly;

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