Section 732.1. Contracting to boycott or strike in sympathy.

  It shall be unlawful for any labor union, association or organization, or the officers, representatives, agents or members thereof, to enter into any contract, agreement, arrangement, combination or conspiracy for the purpose of, by strikes or threats of strikes, by violence or threats of violence, by coercion, or by concerted refusal to make, manufacture, assemble, or use, handle, transport, deliver or otherwise deal with any articles, products or materials:

  1.  To force or require any person, firm or corporation to cease using, selling, handling, transporting or dealing in the goods or products of any other person, firm or corporation, or

  2.  To force or require any person, firm or corporation to cease selling, transporting or delivering goods or products to any other person, firm or corporation, or

  3.  To force or require any employer other than their own employer to recognize, deal with, comply with the demands of, or employ members of any labor union, association or organization, or

  4.  To force or require any employer to break an existing collective bargaining agreement which such employer may have with any labor union, association or organization.

[C50, 54, 58, 62, 66, 71, 73, 75, 77, §736B.1; C79, 81, §732.1]