Should Spelled out Acronyms Be Capitalized?

Acronyms and initialisms are capitalized.

When Should acronyms be spelled out?

The... comes to acronyms, the rule is you spell out the words first followed by the acronym in parentheses..., and then use the acronym for later references in the copy. If there are no other mentions of the... acronym later in the copy, then you just spell it out without the acronym in parentheses.

Is an acronym a proper noun?

Typically, acronyms and initialisms are written in all capital letters to distinguish them from ordinary words. (When fully spelled out, the words in acronyms and initialisms do not need to be capitalized unless they entail a proper noun.) An acronym is pronounced as a single word, rather than as a series of letters.