Stock declaration must include:

The correct answer is Quantity, value, purchase date, sale details. Comprehensive stock declarations are crucial for regulatory compliance and accurate inventory management. They typically require detailed information such as the exact quantity of goods, their monetary value, the date of acquisition (purchase date), and relevant sales information to provide a complete and verifiable record of goods. Options B (Only quantity and value), C (Only invoices), and D (Only contracts) are incorrect. These options provide insufficient detail; regulators need a full audit trail, including when items were acquired and how they are intended to be or have been disposed of, to ensure accuracy and prevent discrepancies.