Use the Oxford Comma in a series of three or more. (Exceptions for shorter copy such as headlines and deliverables with space constraints such as web banners or posters. It can also be removed where the addition of the Oxford Comma may add ambiguity or change the emphasis of a sentence.)
Use colons to announce, introduce, or direct attention to a list, a noun or noun phrase, a quotation, or an example/explanation
Use semi-colons to separate complex lists, or to join two sentences
Capitalize the second word in a hyphenation in titles, subheads, and headlines only
Do not include spaces around em-dashes (—) or en-dashes (–).
Spell out numbers one through nine; numbers 10 and above should be written as numerals (Exceptions for titles, headlines, posters, monetary values, and dates).
Unless complete sentences, avoid punctuation at the end of each item in a bulleted list.