You must use the control flag PALLETISE_GOODS_RECEIVED.
This control flag defines how the Palletise Stock checkbox should be defaulted in the Goods Received screen.
Never: Default to No.
Quantity: Default to Yes if the quantity received is greater than or equal to the default pallet quantity.
Always: Default to Yes.
This control flag only applies to receipts where the Goods Received screen is actually shown. It doesn't apply when booking in stock through the shop floor data capture terminals or via the transaction broker or scanners.
Note: Palletise stock is ticked automatically whether you book in stock from the purchase order menu or works order menu.