You didn't quote what all is in the Permitless Carry Section. (3) is what you quoted. (4) starts off with
"Subsection (3) of this section shall not apply to restrict or prohibit the carrying or possession of:"
So read the whole thing. The site is 100% correct. Go to the Idaho Legislature state statutes and read it for yourself at
https://legislature.idaho.gov/statutesrules/idstat/Title18/T18CH33/SECT18-3302/

I will accept a public Apology!! Gary Slider



18-3302. Concealed Weapons (U.S. Citizens or current members of the U.S. Military only.)

(1) The legislature hereby finds that the people of Idaho have reserved for themselves the right to keep and bear arms while granting the legislature the authority to regulate the carrying of weapons concealed. The provisions of this chapter regulating the carrying of weapons must be strictly construed so as to give maximum scope to the rights retained by the people.

(3) No person shall carry concealed weapons on or about his person without a license to carry concealed weapons, except:

(a) In the person's place of abode or fixed place of business;
(b) On property in which the person has any ownership or leasehold interest;
(c) On private property where the person has permission to carry concealed weapons from any person with
an ownership or leasehold interest;
(d) Outside the limits of or confines of any city, if the person is over eighteen (18) years of age or older
and is not otherwise disqualified from being issued a license under subsection (11) of this section.

(4) Subsection (3) of this section shall not apply to restrict or prohibit the carrying or possession of:

(a) Any deadly weapon located in plain view;
(b) Any lawfully possessed shotgun or rifle;
(c) Any deadly weapon concealed in a motor vehicle;
(d) A firearm that is not loaded and is secured in a case;
(e) A firearm that is disassembled or permanently altered such that it is not readily operable; and
(f) Any deadly weapon concealed by a person who is:
(i) A person who is eighteen (18) years of age;
(ii) A citizen of the United States or a current member of the armed forces of the United
States; and;
(iii) Is not disqualified from being issued a license under paragraphs (b) through (n) of subsection
(11) of this section. 315, sec. 1, p. 893.

Note: Any U.S. Citizen 18 years of age or older who can legally possess a firearm can carry a firearm in Idaho without any type of permit/license to carry. Handgunlaw.us recommends you carry your state issued ID when carrying under Permitless Carry. Some states require you carry it.