When possession by or delivery to secured party perfects security interest without filing

When possession by or delivery to secured party perfects security interest without filing. (a) Except as otherwise provided in subsection (b), a secured party may perfect a security interest in tangible negotiable documents, goods, instruments, money or tangible chattel paper by taking possession of the collateral. A secured party may perfect a security interest in certificated securities by taking delivery of the certificated securities under section