The Most Favored Nation clause is an important part of GATT and WTO. Which one of the following statements about the Most Favored Nation clause is INCORRECT?

Group of answer choices

All countries do not have to be treated equally so that a specific country can be treated as most favored

It refers to the nondiscriminatory treatment toward identical or highly substitutable goods coming from different countries

If the United States applies a tariff of $2\mathrm{.}6$ percent on printing press imports from Japan, then it must apply a $2\mathrm{.}6$ percent tariff on printing press imports from every other WTO member country

It deals with free trade on an even, open worldwide field as opposed to simply at the bilateral level