The Award of the Court of Final Instance granted on the 26th September 2012, in proceedings number 59/2012, states that, in accordance with the provision of paragraph 1 of Section 28.º of the Judicial Administrative Procedure Code (a contratio senso), preparatory administrative acts, such as the one that determines the reopening of a public tender, are not subject to judicial appeal, as foreseen in Sections 20º et seq of the Judicial Administrative Procedure Code, unless such acts, being able to produce external effects, can be detachable (as per example, the exclusion of an applicant in public tenders).
http://www.court.gov.mo/pdf/TUI/TUI-S-59-2012-VP.pdf (Portuguese Version)
http://www.court.gov.mo/pdf/TUI/TUI-S-59-2012-VC.pdf (Chinese Version)