These discussions ultimately led to the development of certain regulations and guidelines, which evolved into the code of practice by which all those involved in clinical research now work. This code is known as International Conference on Harmonisation of Good Clinical Practice
A signing statement is a written pronouncement issued by the President of the United States upon the signing of a bill into law. They are usually printed along with the bill in United States Code Congressional and Administrative News (USCCAN).
An Affidavit is a statement made voluntarily in writing. The party writing and signing the affidavit declares the facts stated in the affidavit to be true, and confirms this under oath. The affidavit needs to be signed before an officer who is empowered to administer such oaths.