This guide aims to offer methodological guidance on how to interpret and correctly follow the rules of the Cooperation Partnerships and Small-scale Partnerships actions, as described in the Erasmus+ Programme Guide. It provides indications covering the entire project life-cycle, from the preparation and presentation of the application to the management of the project, reporting and controls. This handbook is applicable only to actions under ‘Erasmus+ Key Action 2 – Partnerships for Cooperation’ managed by National Agencies (decentralised actions). The purpose of this document is informative. Should there be inconsistencies between the information provided in this document and the provisions of the Erasmus+ Programme Guide, the latter would prevail.