(1) Name, address, and phone number of the person and the person's company; and

(2) Proof of a state general excise tax license.

(1) Officers and employees of the United States, the State, or any county while in the performance of their governmental duties;

(2) Any person acting as a receiver, trustee in bankruptcy, personal representative, or any other person acting under any order or authorization of any court;

(3) A person who sells or installs any finished products, materials, or articles of merchandise that are not actually fabricated into and do not become a permanent fixed part of the structure, or to the construction, alteration, improvement, or repair of personal property;

(4) Any project or operation for which the aggregate contract price for labor, materials, taxes, and all other items is not more than [$1,000.] $3,500. This exemption shall not apply in any case where [a]:

(5) A registered architect or professional engineer acting solely in the person's professional capacity;

(6) Any person who engages in the activities regulated in this chapter as an employee with wages as the person's sole compensation;

(7) Owners or lessees of property who build or improve residential, farm, industrial, or commercial buildings or structures on property for their own use, or for use by their grandparents, parents, siblings, or children and who do not offer the buildings or structures for sale or lease; provided that this exemption shall not apply to electrical or plumbing work that must be performed only by persons or entities licensed under this chapter, or to the owner or lessee of the property if the owner or lessee is licensed under chapter 448E. In all actions brought under this paragraph, proof of the sale or lease, or offering for sale or lease, of the structure not more than one year after completion is prima facie evidence that the construction or improvement of the structure was undertaken for the purpose of sale or lease; provided that this provision shall not apply to residential properties sold or leased to employees of the owner or lessee; provided further that in order to qualify for this exemption the owner or lessee must register for the exemptions as provided in section 444-9.1. Any owner or lessee of property found to have violated this paragraph shall not be permitted to engage in any activities pursuant to this paragraph or to register under section 444-9.1 for a period of three years. There is a presumption that an owner or lessee has violated this section, when the owner or lessee obtains an exemption from the licensing requirements of section 444-9 more than once in two years;

(8) Any joint venture if all members thereof hold licenses issued under this chapter;

(9) Any project or operation where it is determined by the board that less than ten persons are qualified to perform the work in question and that the work does not pose a potential danger to public health, safety, and welfare; or

(10) Any public works project that requires additional qualifications beyond those established by the licensing law and which is deemed necessary and in the public interest by the contracting agency."

(1) Grant licenses, including conditional licenses, to contractors, and provide for registration of handymen, pursuant to this chapter and rules;

(2) Adopt, amend, or repeal such rules as the board may deem proper fully to effectuate this chapter and carry out the purpose thereof, which is the protection of the general public. All rules shall be approved by the governor and the director, and when adopted pursuant to chapter 91, shall have the force and effect of law. The rules may forbid acts or practices deemed by the board to be detrimental to the accomplishment of the purpose of this chapter. The rules may require contractors to make reports to the board containing any items of information as will better enable the board to enforce this chapter and rules, or as will better enable the board from time to time to amend the rules more fully to effectuate the purposes of this chapter. The rules may require contractors to furnish reports to owners containing any matters of information as the board deems necessary to promote the purpose of this chapter. The enumeration of specific matters which may properly be made the subject of rules shall not be construed to limit the board's general power to make all rules necessary fully to effectuate the purpose of this chapter;

(3) Adopt rules pursuant to chapter 91 necessary to implement the provisions of this chapter relating to CFCs, including, but not limited to, procedures for the disposal of air conditioning units utilizing CFCs that include mandatory recovery and recycling of CFCs;

(4) Enforce this chapter and rules adopted pursuant thereto;

(5) Suspend or revoke any license for any cause prescribed by this chapter, or for any violation of the rules, and refuse to grant, renew, restore, or reinstate any license for any cause which would be grounds for revocation or suspension of a license;

(6) Publish and distribute pamphlets and circulars containing any information as the board deems proper to further the accomplishment of the purpose of this chapter;

(7) Contract for professional testing services to prepare, administer, and grade the examinations for applicants as may be required for the purposes of this chapter. The board shall determine the scope and length of the examinations, whether the examinations shall be oral, written, or both, and the score that shall be deemed a passing score;

(8) Order summary suspension of a license; provided that summary suspensions may be delegated in accordance with section 436B-23;

(9) Issue informal nonbinding interpretations or declaratory rulings, and conduct contested case proceedings pursuant to chapter 91; and

(10) Subpoena witnesses and documents, administer oaths, receive affidavits and oral testimony, including telephonic communications."