Companies should present and disclose the effects of seasonality or cyclicality in their interim financial statements in a way that enables users to understand the impact of such factors on the company's financial performance and position. The following are some guidelines for presenting and disclosing the effects of seasonality or cyclicality in interim financial statements:

1. Nature and extent of the seasonal or cyclical factors: Companies should explain the nature and extent of the seasonal or cyclical factors that affect their operations. For example, a company in the tourism industry may explain the impact of the peak season on its revenue and profitability.
2. Historical trends: Companies should provide a comparison of their current results with those of the same period in previous years to highlight any seasonal or cyclical trends in their financial performance.
3. Factors affecting seasonality or cyclicality: Companies should disclose the factors that affect the seasonality or cyclicality of their operations, such as changes in consumer preferences, weather patterns, or economic conditions.
4. Impact on financial results: Companies should disclose the impact of seasonality or cyclicality on their financial results, including any significant changes in revenue, expenses, and profitability.
5. Management's response: Companies should explain how they manage the effects of seasonality or cyclicality on their operations and financial performance, including any measures taken to mitigate the impact.
6. Forward-looking statements: Companies should provide forward-looking statements that include estimates of future revenue and profitability, taking into account the expected impact of seasonality or cyclicality.

Overall, the presentation and disclosure of the effects of seasonality or cyclicality in interim financial statements should provide users with a clear understanding of how these factors affect the company's financial performance and position, and how management plans to address them.