(1) The procurement entity shall allow enough time for the consultants to prepare their proposals.

(2) The time allowed shall depend on the nature of the assignment but shall not be less than four weeks.

(3) To safeguard the integrity of the process, the technical and financial proposals shall be submitted in separate sealed envelopes.

(4) After the closing time for the submission of proposals, the appropriate committee of the procurement entity shall open the technical proposals immediately after the deadline for the submission of proposals.

(5) The financial proposals shall remain sealed until they are opened publicly under section 56.