2024 45 CFR 46.408 – Requirements for permission by parents or guardians and for assent by children

2023 45 CFR 46.408 – Requirements for permission by parents or guardians and for assent by children

2022 45 CFR 46.408 – Requirements for permission by parents or guardians and for assent by children

2021 45 CFR 46.408 – Requirements for permission by parents or guardians and for assent by children

2020 45 CFR 46.408 – Requirements for permission by parents or guardians and for assent by children

2019 45 CFR 46.408 – Requirements for permission by parents or guardians and for assent by children

2016 45 CFR 46.408 – Requirements for permission by parents or guardians and for assent by children

2015 45 CFR 46.408 – Requirements for permission by parents or guardians and for assent by children

2014 45 CFR 46.408 – Requirements for permission by parents or guardians and for assent by children

2009 45 CFR 46.408 – Requirements for permission by parents or guardians and for assent by children