There are multiple definitions - click on the translation that matches your context.

Sicherungseigentum

Substantiv

partial

purchase money security interest

noun

Comparative law notes

Germany

Although they serve the same purposed of providing the creditor with security, the secured creditor under this security arrangement in the US does not legally OWN the secured goods but instead has merely a perfected (registered) security interest in that property. Under the German concept of Sicherungseigentum, the creditor technically owns the secured property (collateral).

Definitions of purchase money security interest

English

a security interest taken in the goods purchased with money from the loan

Without the correct PMSI documentation, your client could end up paying for property that would otherwise be dischargeable in any future bankruptcy proceeding.