W.S. § 39-15-405 — Agreement requirements

(a) The department of revenue shall not enter into the
streamlined sales and use tax agreement unless the agreement
requires that as a condition of participation each state shall
abide by the following requirements:
(i) Uniform state rate. The agreement shall set
restrictions to achieve over time more uniform state rates
through the following:
(A) Limiting the number of state rates;
(B) Limiting the application of maximums on the
amount of state tax that is due on a transaction;
(C) Limiting the application of thresholds on
the application of state tax.
(ii) Uniform standards. The agreement shall establish
uniform standards for the following:
(A) The sourcing of transactions to taxing
jurisdictions;
(B) The administration of exempt sales;
(C) The allowances a seller can take for bad
debts;
(D) Sales and use tax returns and remittances.
(iii) Uniform definitions. The agreement shall
require states to develop and adopt uniform definitions of sales
and use tax terms. The definitions shall enable a state to
preserve its ability to make policy choices not inconsistent
with the uniform definitions;
(iv) Central registration. The agreement shall
provide a central, electronic registration system that allows a
seller to register to collect and remit sales and use taxes for
all signatory states;
(v) No nexus attribution. The agreement shall provide
that registration with the central registration system and the
collection of sales and use taxes in the signatory states will
not be used as a factor in determining whether the seller has
nexus with a state for any tax;
(vi) Local sales and use taxes. The agreement shall
provide for reduction of the burdens of complying with local
sales and use taxes through the following:
(A) Restricting and eliminating variances
between the state and local tax bases;
(B) Requiring states to administer any sales and
use taxes levied by local jurisdictions within the state so that
sellers collecting and remitting the taxes will not have to
register or file returns with, remit funds to, or be subject to
independent audits from local taxing jurisdictions;
(C) Restricting the frequency of changes in the
local sales and use tax rates and setting effective dates for
the application of local jurisdictional boundary changes to
local sales and use taxes;
(D) Providing notice of changes in local sales
and use tax rates and of changes in the boundaries of local
taxing jurisdictions.
(vii) Monetary allowances. The agreement shall
outline any monetary allowances that are to be provided by the
states to sellers or certified service providers;
(viii) State compliance. The agreement shall require
each state to certify compliance with the terms of the agreement
prior to joining and to maintain compliance, under the laws of
the member state, with all provisions of the agreement while a
member;
(ix) Consumer privacy. The agreement shall require
each state to adopt a uniform policy for certified service
providers that protects the privacy of consumers and maintains
the confidentiality of tax information;
(x) Advisory councils. The agreement shall provide
for the appointment of an advisory council of private sector
representatives and an advisory council of nonmember state
representatives to consult with in the administration of the
agreement.