The document discusses the level at which entities should assess exploration and evaluation assets for impairment. Specifically: 1. PSAK 64 provides flexibility in impairment testing compared to other standards, allowing impairment to be assessed at a level comprising one or more cash-generating units, rather than the smallest unit. 2. Entities have policy choice in determining the appropriate level, which may depend on how production sharing contracts are expected to generate cash flows. 3. Exploration and evaluation assets can be aggregated into portfolios based on attributes like resource type, location, or size, with the entire portfolio acting as a single cash-generating unit.