RCW 19.86.050
Transactions and agreements not to use or deal in commodities or services of competitor declared unlawful when lessens competition.
It shall be unlawful for any person to lease or make a sale or contract for sale of goods, wares, merchandise, machinery, supplies, or other commodities, or services, whether patented or unpatented, for use, consumption, enjoyment, or resale, or fix a price charged therefor, or discount from, or rebate upon, such price, on the condition, agreement, or understanding that the lessee or purchaser thereof shall not use or deal in the goods, wares, merchandise, machinery, supplies, or other commodity or services of a competitor or competitors of the lessor or seller, where the effect of such lease, sale, or contract for such sale or such condition, agreement, or understanding may be to substantially lessen competition or tend to create a monopoly in any line of commerce.
[ 1961 c 216 § 5.]
Structure Revised Code of Washington
Title 19 - Business Regulations—Miscellaneous
Chapter 19.86 - Unfair Business Practices—Consumer Protection.
19.86.020 - Unfair competition, practices, declared unlawful.
19.86.023 - Violation of RCW 15.86.030 constitutes violation of RCW 19.86.020.
19.86.030 - Contracts, combinations, conspiracies in restraint of trade declared unlawful.
19.86.040 - Monopolies and attempted monopolies declared unlawful.
19.86.070 - Labor not an article of commerce—Chapter not to affect mutual, nonprofit organizations.
19.86.080 - Attorney general may restrain prohibited acts—Costs—Restoration of property.
19.86.085 - Establishment of investigation unit—Receipt and use of criminal history information.
19.86.090 - Civil action for damages—Treble damages authorized—Action by governmental entities.
19.86.093 - Civil action—Unfair or deceptive act or practice—Claim elements.
19.86.095 - Request for injunctive relief—Appellate proceeding—Service on the attorney general.
19.86.115 - Materials from a federal agency or other state's attorney general.
19.86.120 - Limitation of actions—Tolling.
19.86.130 - Final judgment to restrain is prima facie evidence in civil action—Exceptions.
19.86.145 - Penalties—Animals used in biomedical research.
19.86.150 - Dissolution, forfeiture of corporate franchise for violations.
19.86.160 - Personal service of process outside state.
19.86.170 - Exempted actions or transactions—Stipulated penalties and remedies are exclusive.