According to section 21-C(3), an individual is guilty of an offence if they provide or receive instruction or training related to the creation or use of which of the following without proper authorization from the competent authority?

Explanation

Under section 21-C(3), it is illegal to give or receive training or instructions on the manufacture or usage of firearms, explosives, chemical, biological, or other weapons without valid permission from the authorized authority. Therefore, all the listed categories are covered by this provision.