The preliminary draft modifies the agreement published in the Official Gazette of the Federation of February 10, 2011, by means of which the procedures and formats in charge of the Subdirectorate General for Drinking Water, Drainage and Sanitation are informed, the foregoing, with the purpose of eliminating the transact and format "CONAGUA-02-004" to no longer have the legal support that supports its existence, which will avoid uncertainty in the citizenship; as well as eliminating the modalities of the transact "CONAGUA-03-004", so that there is a particular procedure for each of the hypotheses to be presented, due to the precise and particular circumstances of each, in order to prevent it from continuing to exist uncertainties and gaps, with respect to which modality to submit at the time of requesting approval to evaluate the conformity of a Mexican official standard, together with the proper establishment of the units responsible for each one, in order to give certainty to the individuals to whom to go in case of any doubt in your procedure. With the modification of the "Agreement through which the electronic procedure is established in the National Water Commission in the area of water administration", amended on March 6, 2014, the citizenry will be informed that the process of competition of the Technical General Subdirectorate by electronic means, besides eliminating the manifestations related to the transact"CONAGUA-02-004", in order to give legal certainty to the governed.