For petitioners seeking evidence from the United States for use in litigation or other proceedings abroad, a well-drafted foreign attorney affidavit can be one of the most important (albeit not explicitly required) components of a Section 1782 application. The affidavit gives the U.S. federal court the foreign-law and procedural context it needs to understand why the requested evidence matters, how it will be used, and whether the foreign proceeding is sufficiently concrete t