An Idaho Firearm Bill of Sale proves the sale of a firearm and offers details about the gun sold.
It is a document between a gun seller and a buyer that documents a change of ownership and assists in firearm registration.
This could be due to a sale, purchase, trade, or gift.
Firearm laws: ID Statutes Section 18-3302
State permit to purchase: No
Registration of firearm: No
License to own: No
Assault weapon law: No
Magazine capacity restriction: No
Permit for concealed carry: No
Permit for open carry: No
How to Sell a Firearm Privately
The state of Idaho does not regulate private firearm sales.
Any Idaho resident who can legally own a firearm can sell a firearm in a private transaction. 
There are no special requirements to sell a gun in Idaho and no waiting period in Idaho to purchase a firearm from a private seller.
Idaho does not have laws restricting the sale or purchase of a rifle, shotgun, or handgun as long as the individual is over 18.
However, anyone who meets the following criteria cannot carry a concealed firearm in the state of Idaho (ID Statutes Section 18-3302):
- Is under age 21 (Anyone over 18 may buy firearms in a private sale in the state but cannot receive a concealed carry license. Anyone under the age of 18 must have written permission from a parent or guardian to purchase or possess a firearm from a private seller or be in the company of a parent or guardian while they are carrying the firearm.
- Has been formally charged with a crime punishable by a prison sentence of more than one year.
- Has been found guilty of a crime punishable by a prison sentence of more than one year.
- Is a fugitive from justice.
- Is unlawfully using marijuana or depressant, stimulant, narcotic drugs, or any other controlled substance.
- Is suffering from diminished mental capacity, mental illness, a grave disability, or is incapacitated.
- Has been dishonorably discharged from the armed forces.
- Has received a withheld judgment or suspended sentence for a crime punishable by a prison sentence of more than one year (unless that person has completed probation).
- Is on probation for a misdemeanor involving the use or threatened use of physical force against a person or their property.
- Is an illegal alien.
- Is a person who renounced their United States citizenship.
- Is out on bond pending trial, appeal, or sentencing for a crime that otherwise disqualifies them from obtaining a weapons license.
- Is named in a protection order that restrains them from harassing, stalking, or threatening an intimate partner or child.
- Meets other criteria that make them ineligible to own or buy a firearm.
Firearm Inheritance Laws
No law in Idaho prohibits someone from gifting a firearm to a friend or relative as long as the recipient isn’t prohibited from owning a firearm.
You can buy a gun in Idaho without registering it.
Concealed Carry Permit
There is no state permit required for the purchase and possession of firearms.
Idaho allows its residents to carry concealed firearms without a permit if they are not disqualified from having a permit.
How to Apply
Even though Idaho does not require a permit to concealed carry, private citizens in Idaho can still apply for a license to carry a concealed weapon if they want reciprocity in other states.
Step 1 – Complete Application
Complete the Idaho Concealed Weapons License Application.
Step 2 – Get Trained
Take and pass a firearms training course.
Step 3 – Submit Application
Apply in person by taking your form and proof of course completion to your county sheriff’s office.
Step 4 – Get Fingerprinted and Pass Background Check
Submit to fingerprinting and a background check and pay the associated fees. 
Step 5 – Receive Approval or Denial
If approved, your Idaho concealed carry license is good for five years and you may renew it online in some counties.
Idaho recognizes valid and unexpired concealed carry permits and licenses from all other states in the United States.
Out-of-state residents are required to carry their permit or license with them when they carry a concealed weapon in Idaho.
Idaho Firearm Bill of Sale Sample
Below is an example of what an Idaho firearm bill of sale looks like.