Documentation
According to Policy 12, at the minimum, you must provide the following information about your alternative search as part of your proposed protocol:
1. the names of the databases searched;
2. the date the search was performed;
3. the period covered by the search; and
4. the key words and/or the search strategy used.
A narrative describing your findings can also be helpful. See https://www.nal.usda.gov/awic/alternative-search-summary-example for some questions that can help complete a narrative.
For the complete Animal Care Welfare Manual, see: https://www.aphis.usda.gov/animal_welfare/downloads/Animal%20Care%20Policy%20Manual.pdf