Simple Interest Promissory Note Template for the United States

Generate a bespoke document

What is a Simple Interest Promissory Note?

A Simple Interest Promissory Note serves as a fundamental lending instrument in the United States, commonly used when one party lends money to another with straightforward interest calculations. This document is essential for both personal and business transactions, providing clear documentation of loan terms and protecting both lender and borrower interests. Unlike compound interest notes, simple interest is calculated only on the principal amount, making it easier to understand and calculate. The document must comply with state usury laws and federal lending regulations, making it a legally enforceable instrument for debt collection.

Frequently Asked Questions

Is a simple interest promissory note legally binding in the United States?

Yes, a properly executed simple interest promissory note is legally enforceable in all 50 states under both federal and state law. The document creates a binding contract between lender and borrower, provided it includes essential elements like loan amount, interest rate, repayment terms, and signatures. Courts will enforce collection of the debt according to the note's terms.

How does simple interest differ from compound interest on promissory notes?

Simple interest calculates only on the principal amount throughout the loan term, while compound interest calculates on both principal and accumulated interest. Simple interest results in lower total interest costs and more predictable payments. Most personal loans between individuals use simple interest, while institutional loans often employ compound interest calculations.

Can I collect on a promissory note if required information is missing?

Missing essential elements like loan amount, interest rate, payment schedule, or proper signatures can make a promissory note unenforceable in court. Incomplete notes may be treated as gifts rather than loans, making collection extremely difficult. Always ensure all required terms are clearly stated and the document is properly signed and dated.

How long does it take to prepare a simple interest promissory note?

A basic simple interest promissory note can be completed in 15-30 minutes using a template. Complex arrangements involving collateral, guarantors, or specific state requirements may take 1-2 hours. Additional time may be needed for notarization if required by state law or for loans exceeding certain amounts.

Does my state require notarization for promissory notes to be valid?

Most states do not require notarization for promissory notes to be legally valid, but some states mandate it for certain loan amounts or secured loans. Notarization adds extra legal protection and makes the document easier to enforce in court. Check your specific state requirements, as rules vary significantly across jurisdictions.

Can I charge any interest rate I want on a personal promissory note?

No, each state has usury laws that cap maximum interest rates for personal loans, typically ranging from 6% to 24% annually. Charging above your state's legal limit can void the interest portion or the entire note. Commercial loans and certain licensed lenders may have different rate limitations under federal and state regulations.

Should I include collateral terms in my simple interest promissory note?

Collateral should only be included if you want to secure the loan with specific property like a car or real estate. Adding collateral creates a secured promissory note, which requires additional legal documentation and may need state filing requirements. Unsecured notes are simpler but offer less protection if the borrower defaults.

Reviewed by

Swetha Meenal

Legal Engineer, GenieAI

Swetha Meenal profile photo

A lawyer, legal researcher and legal tech founder, Swetha has built AI products deployed inside Tier 1 firms and enterprises. She ensures GenieAI's alignment with the latest regulation and executes testing on the legal robustness of Genie output.

Reviewed by

Imad Mohammed Nazar

Legal Engineer, GenieAI

Imad Mohammed Nazar profile photo

A Skadden-trained M&A lawyer, Imad advised on cross-border transactions and contractual risk before moving into legal AI. He reviews GenieAI's output for compliance and enforceability across our 150+ supported jurisdictions, as well as facilitating external benchmarking.

Jurisdiction

United States

Publisher

GenieAI

Sector

Business

Cost

Free to use

Last updated

About the Simple Interest Promissory Note

When you need to document a loan agreement with clear, straightforward terms, a Simple Interest Promissory Note provides the legal framework to protect both lender and borrower interests under United States law. This fundamental lending instrument creates a legally binding obligation for debt repayment while ensuring compliance with federal lending regulations and state-specific requirements.

When do you need this document?

You'll require a Simple Interest Promissory Note whenever formal documentation is necessary for personal or business loans. This includes family loans where you want to establish clear repayment expectations, small business financing arrangements, real estate transactions requiring seller financing, or any situation where informal lending could create disputes. The document is particularly valuable for loans between friends or family members who want to maintain professional boundaries while preserving relationships. Business owners often use these notes for equipment financing, working capital loans, or when extending credit to customers or partners.

Key legal considerations

Your promissory note must include essential elements to ensure legal enforceability, starting with a clear promise to pay statement that identifies the principal amount and borrower's commitment. The interest rate section requires careful attention to calculation methods and annual percentage rate disclosures to comply with federal Truth in Lending Act requirements. Payment terms must specify the schedule, payment amounts, and acceptable payment methods, while the maturity date establishes when the full amount becomes due. Default provisions should outline consequences of non-payment, including acceleration clauses and collection procedures. Consider including co-signer requirements for additional security, especially when lending to individuals with limited credit history or income verification.

Legal requirements in United States

Federal regulations significantly impact your promissory note's structure and disclosure requirements. The Truth in Lending Act mandates clear disclosure of all lending terms and costs, while Federal Reserve Regulation Z provides specific rules for interest rate calculations and APR disclosures. The Equal Credit Opportunity Act prohibits discrimination in lending decisions, and the Fair Credit Reporting Act governs how you may use credit information in your lending process. State usury laws establish maximum allowable interest rates, which vary significantly across jurisdictions and may include exceptions for certain types of loans or lenders. Your note must specify which state's laws govern the agreement, typically the lender's state of residence or the state where the loan transaction occurs. Some states require specific language or formatting for promissory notes to be legally enforceable, particularly regarding collection procedures and default remedies.

GOVERNING LAW

Applicable law

This Simple Interest Promissory Note is drafted to comply with United States law. Key legislation includes:

Genie's Security Promise

Genie is the safest place to draft. Here's how we prioritise your privacy and security.

Your data is private:

We do not train on your data; Genie's AI improves independently

All data stored on Genie is private to your organisation

Your documents are protected:

Your documents are protected by ultra-secure 256-bit encryption

We are ISO27001 certified, so your data is secure

Organizational security:

You retain IP ownership of your documents and their information

You have full control over your data and who gets to see it