Please follow https://www.fda.gov/drugs/news-events-human-drugs/drug-permeability-best-practices-biowaiver-classification-system-based-biowaiver-12062021-12062021.

Please follow https://www.fda.gov/drugs/news-events-human-drugs/drug-permeability-best-practices-biowaiver-classification-system-based-biowaiver-12062021-12062021.