This white paper has been written as part of the Towards IIIF-Compliance Knowledge in Switzerland (TICKS) project, conducted at the Haute école de gestion de Genève (HEG-GE) between March 2018 and February 2019, which originated on the acknowledgements that the International Image Interoperability Framework (IIIF) ecosystem was not enough known and deployed in the cultural heritage field in Switzerland. The white paper starts with the main principles of IIIF, notably indicating the different technical specifications, or application programming interfaces (APIs), produced by the IIIF community as well as the platforms of Swiss projects or institutions that have deployed IIIF. Going from general to specific, a generic IIIF step-by-step graph and six more precise use cases reflecting different needs of the GLAM (Galleries, Libraries, Archives, Museums) sector giving implementation measures have been produced. Finally, the document contains recommendations for further action as well as some information on the possible reuse of this document for other regions of the world or for other scientific fields.