According to Fernando Franco, a former Trife judge and now a professor at ITAM, a university in Mexico City, a failure by the court to declare the vote valid by the September 6th deadline would be tantamount to annulling the election.But, as Mr Franco notes, there is a presumption of validity.
But its plan for annulling the contracts has unnerved utilities and banks alike.
For example, Gordon Brown, the chancellor, delivered on April 7th a scathing critique of the SNP's plans to put 1p on the basic income-tax rate paid by Scots, in effect annulling the tax cut promised by Mr Brown for next year.
Last month a court in Lille caused a row by annulling a marriage between two Muslims because the bride falsely claimed to be a virgin, and the case was sent back for review.
It is true that support for annulling the amnesty rose from 42% of the vote in 1989 to 48% in 2009.
The government of the day was facing an election and tried to burnish its environmental credentials by annulling a handful of permits under the St Lawrence river.Lone Pine's remaining permits are subject to the moratorium pending an environmental review of fracking.
While the Nigerian president made an encouraging start, initiating various investigations and annulling a number of suspect deals, he faces a dilemma: the more investigations that take place, the greater the evidence of misappropriation under the previous administration, headed by Olusegun Obasanjo.
His administration began reviewing mining-related contracts that had been signed in previous years, annulling those with unfavourable terms that appeared to have been awarded after Guinean officials or, in one case, the wife of former president Conté had been bribed.
When democrats (or Neo-Jacobins) prevailed nonetheless, the Directory organized another purge in the coup of Floréal, year VI (May 1798), by annulling all or some elections in 29 départements.
On May 24, shortly after partial results began to be released, Banda proclaimed that she was annulling the elections and ordering them to be re-held in 90 days, and she also said that she would not stand in the repeated presidential election.
For exhuming and desecrating Pope Formosus' corpse and annulling his pontificate in the "Cadaver Synod," Stephen had been imprisoned and probably strangled by Formosus' supporters, leaving Stephen's followers at political war with those who opposed the synod.
