1. The Authority shall have the following tasks:

(a) based on the legislative acts referred to in Article 1(2), to contribute to the establishment of high-quality common regulatory and supervisory standards and practices, in particular by developing draft regulatory and implementing technical standards, guidelines, recommendations, and other measures, including opinions;

(aa) to develop and maintain an up-to-date Union supervisory handbook on the supervision of financial institutions in the Union which is to set out best practices and high-quality methodologies and processes, and takes into account, inter alia, changing business practices and business models and the size of financial institutions and of markets;

(b) to contribute to the consistent application of legally binding Union acts, in particular by contributing to a common supervisory culture, ensuring consistent, efficient and effective application of the legislative acts referred to in Article 1(2), preventing regulatory arbitrage, fostering and monitoring supervisory independence, mediating and settling disagreements between competent authorities, ensuring effective and consistent supervision of financial institutions, ensuring a coherent functioning of colleges of supervisors, and taking actions, inter alia, in emergency situations;