(a) * * * Within 45 days after receipt of notice of docketing of the appeal, the appellant shall file with the Board a complaint setting forth simple, concise and direct statements of each of its claims, alleging the basis, with appropriate reference to contract provisions, for each claim, and the dollar amount claimed. * * *
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(b) * * * Within 30 days from receipt of said complaint, or the aforesaid notice from the Board, the respondent shall prepare and file with the Board an answer thereto, setting forth simple, concise, and direct statements of the respondent's defenses to each claim asserted by the appellant. * * *
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