Delaware Statutes § 4972 Rules regarding what constitutes a legal vote

(1) The voter shall mark the ballot for the voter's selections [by placing a distinct mark in the box at the right of the name of the candidate and or response to a question for which the voter wants to vote;] as instructed.

(2) Where a voter indicates the voter's own selections in a manner not in accordance with paragraph (b)(1) of this section, the election officers shall attempt to determine from the marks on the ballot the candidate or response that the voter intended to [select;] select.

(3) If it is not possible to determine a voter's choice for an office or response to a question, the ballot [shall] may not be counted for that office or question but [shall] must be counted for all other offices and questions on the ballot where the voter's intention can be [determined;] determined.

(4) A voter may only vote for 2 or more choices for any office or question when specifically instructed on the ballot that it is [allowable;] allowable.

(5) Where a voter is permitted to make more than 1 choice for candidates and or responses to a question, the voter may make fewer than the allowable number of [choices;] choices.

(6) If a ballot is marked for more names or responses than are permitted, it [shall] must not be counted for that office or question, but it [shall] must be counted for all other offices or questions on the ballot in accordance with [these rules;] the rules under this section.

(7) If a ballot has been defaced or torn so that it is impossible to determine the voter's choice for 1 or more offices or questions, it [shall] must not be counted for [such] the offices or questions but [shall] must be counted for all other offices and questions where the voter's choice or choices can be [determined;] determined.

(8) The misspelled, [incomplete] incomplete, or minor variation of the name of a declared write-in candidate for an office [shall] must be counted if the name as written bears a reasonable resemblance to the declared candidate's name and no other declared write-in candidate for the office has a name so similar to the name as written as to leave a reasonable doubt as to the voter's intention. Additionally, writing in the last name of a declared write-in candidate [shall constitute] constitutes a valid vote unless there are 2 or more candidates for that office with the same last [name; and] name.

(9) Writing in the name of either candidate for President or [Vice-President shall constitute] Vice President constitutes a valid vote for the slate.