; and (B) during a 30-day period beginning on the date on which the information or content is created by or sent to such child. 4. Providing access to third-party safety software (a) Duty of large social media platform providers (1) In general Not later than 30 days after the effective date of this Act (in the case of a service that is a large social media platform on such effective date) or not later than 30 days after a service becomes a large social media platform (in the case of a service that becomes a large social media platform after such effective date), the large social media platform provider shall create, maintain, and make available to any third-party safety software provider registered with the Commission under subsection (b)(1) a set of third-party-accessible real-time application programming interfaces, including any information necessary to use such interfaces, by which a child (if the child is 13 years of age or older) or a parent or legal guardian of a child may delegate permission to the third-party safety software provider to— (A) manage the online interactions, content, and account settings of such child on the large social media platform on the same terms as such child; and (B) initiate secure transfers of user data from the large social media platform in a commonly-used and machine-readable format to the third-party safety software provider, where the frequency of such transfers may not be limited by the large social media platform provider to less than once per hour. (2) Revocation Once a child or a parent or legal guardian of a child makes a delegation under paragraph (1), the large social media platform provider shall make the application programming interfaces and information described in such paragraph available to the third-party safety software provider on an ongoing basis until— (A) the child (if the child made the delegation) or the parent or legal guardian of such child revokes the delegation