Except as otherwise provided in subsections (c) and (d), this article applies to: 
 The application of this article to a security interest in a secured obligation is not affected by the fact that the obligation is itself secured by a transaction or interest to which this article does not apply. 
 This article does not apply to the extent that: 
 A statute, regulation, or treaty of the United States preempts this article; 
 A statute of another state, a foreign country, or a governmental unit of another state or a foreign country, other than a statute generally applicable to security interests, expressly governs creation, perfection, priority, or enforcement of a security interest created by the state, country, or governmental unit; or 
 The rights of a transferee beneficiary or nominated person under a letter of credit are independent and superior under Section 75-5-114. 
 This article does not apply to: 
 A landlord's lien, other than an agricultural lien; 
 A lien, other than an agricultural lien, given by statute or other rule of law for services or materials, but Section 75-9-333 applies with respect to priority of the lien; 
 An assignment of a claim for wages, salary, or other compensation of an employee; 
 A sale of accounts, chattel paper, payment intangibles, or promissory notes as part of a sale of the business out of which they arose; 
 An assignment of accounts, chattel paper, payment intangibles, or promissory notes which is for the purpose of collection only; 
 An assignment of a right to payment under a contract to an assignee that is also obligated to perform under the contract; 
 Section 75-9-340 applies with respect to the effectiveness of rights of recoupment or set-off against deposit accounts; and 
 Section 75-9-404 applies with respect to defenses or claims of an account debtor; 
 Liens on real property in Sections 75-9-203 and 75-9-308; 
 Fixtures in Section 75-9-334; 
 Fixture filings in Sections 75-9-501, 75-9-502, 75-9-512, 75-9-516, and 75-9-519; and 
 Security agreements covering personal and real property in Section 75-9-604; 
Structure Mississippi Code