Final answer:
The IFRS standards for betterment and repairs for PPE are covered under IAS 16, which offers guidance on recognizing costs, carrying amounts, and accounting for depreciations and impairments.
Step-by-step explanation:
The standards discussing betterment and repairs for Property, Plant, and Equipment (PPE) under IFRS can be found in IAS 16, which deals with property, plant, and equipment. This standard provides guidance on how to recognize the costs of an asset, determine its carrying amount, and account for depreciation and impairment losses. It states that subsequent costs, such as betterment or repairs, are added to the carrying amount of the asset only if they are probable to result in future economic benefits to the entity and can be measured reliably. Otherwise, such costs are recognized in profit or loss as incurred.