Final answer:
Preliminary rulemaking actions include Advance Notice of Proposed Rulemaking and Notice of Proposed Rulemaking, which are essential for seeking public input, but White Paper is not a preliminary rulemaking document in this federal process.
Step-by-step explanation:
Preliminary rulemaking documents are part of the regulatory process in which federal agencies develop new rules. Among the options provided, the correct actions that constitute these preliminary documents include a) Advance Notice of Proposed Rulemaking and d) Notice of Proposed Rulemaking. These steps serve to inform the public and seek input on potential rules.
However, the options b) Concept Paper and c) White Paper do not typically fall within the formal preliminary rulemaking activities, specifically within the context of federal government processes such as those with the FCC's "notice and comment". The Notice of Proposed Rulemaking is the essential step through which the government agency publishes its proposal and solicits public feedback, crucial in shaping the final rules.
Therefore, the option that does not belong to the list of preliminary rulemaking documents is c) White Paper.