Details of when contracts can be modified on the basis of urgent situations and what needs to be published and when, can be found in the urgent awards or contract modifications sections.
O ran pryd y gellir addasu contractau ar sail sefyllfaoedd brys, a’r hyn y mae angen ei gyhoeddi a phryd, mae manylion ar gael yn yr adran dyfarniadau brys neu addasiadau brys i gontractau.