61 Other rules

The rules on prescription in Book III, Chapter 7 are designed to promote efficiency by encouraging the prompt making of claims before evidence becomes stale and expensive to provide and by freeing assets which might otherwise be held against the possibility of old claims being made. The rules on withholding performance and terminating the contractual relationship in cases of anticipated non-performance134. are designed to promote efficiency by not requiring the creditor to wait until non-performance actually happens. There are also rules which promote efficiency by discouraging the providing of unwanted performance.135. The rules denying effect to contractual prohibitions on the alienation of assets are also designed to promote general efficiency by favouring the free circulation of goods and other assets.136. The same applies to the rules on acquisition in good faith or by continuous possession.137. A core aim of the rules in Book IX on proprietary security in movable assets is the facilitation of economic activity and economic welfare by enabling credit to be obtained on favourable terms against the provision of proprietary security.