The disclosure requirements under IAS 34 (Interim Financial Reporting) include:

1. Significant Accounting Policies: Companies must disclose any changes in their significant accounting policies since the last annual financial statements.
2. Seasonality: Companies must disclose the nature and extent of the effect of seasonality or cyclicality on the interim financial statements.
3. Changes in Estimates: Companies must disclose any changes in estimates used in the preparation of the interim financial statements.
4. Related Party Transactions: Companies must disclose any related party transactions that have taken place during the interim period.
5. Risks and Uncertainties: Companies must disclose any significant risks and uncertainties that are likely to affect the company's financial position or performance in future periods.
6. Segment Information: Companies must disclose information about the operating segments of the business, including revenue, profit or loss, assets, and liabilities.
7. Non-GAAP Financial Measures: Companies must disclose any non-GAAP financial measures that are presented in the interim financial statements.

The disclosure requirements are important because they provide transparency and allow stakeholders to make informed decisions based on the company's financial performance and position. The disclosures help stakeholders to understand the company's operations, financial risks, and significant events that may affect its financial position or performance. The disclosure requirements also promote consistency and comparability in the presentation of financial information, which is important for investors, analysts, and other users of financial statements. Overall, the disclosure requirements under IAS 34 enhance the credibility and reliability of interim financial statements, which is important for maintaining investor confidence and supporting the efficient functioning of financial markets.