The National Security Authority has overall responsibility for controlling the state of security in all sectors, and shall ensure that the undertakings comply with their duties under the act. Among other things, the National Security Authority shall a) ensure supervision of undertakings' compliance with requirements related to protective security work b) prepare and maintain basic criteria for inspections c) obtain and assess information relevant to protective security work d) provide information, advice and guidance on protective security work and required measures e) maintain an overview of functions and undertakings identified by the ministries pursuant to section 2-1 f) maintain an overview of undertakings in respect of which a decision has been made pursuant to section 1-3 g) facilitate the exchange of information pursuant to section 2-3 h) help develop security measures and adopt requirements related to protective security work. The National Security Authority is the national competent authority in relation to other countries and international organisations. To the extent necessary to perform tasks specified in or pursuant to the act, the National Security Authority shall be granted unhindered access to critical national information, critical national information systems, critical national objects or critical national infrastructure. The King may issue regulations on the National Security Authority's responsibility for protective security work. Section 2-3.Exchange of threat assessments and other security information The National Security Authority shall arrange for undertakings to which the act applies to be granted access to information about threat assessments and other information which is relevant to the undertakings' protective security work. 4/30