go back to the start of the procurement process or to the step where a flaw was identified, and repeat that step and subsequent steps (see repeating a step in a procurement process)
dychwelyd i gam cynharach yn y broses ddethol, naill ai i ddechrau’r broses neu i’r fan lle y nodwyd diffyg, cywiro’r diffyg hwn ac ailadrodd y cam hwnnw a’r camau dilynol (gweler ailadrodd cam)