The amendment would abolish the office of the prime minister, until now the most powerful political position in the Turkish system.
It will also pose a challenge to ministers, who until now have resisted calls for the NHS to introduce potentially costly mandated minimum staffing levels.
Ministers have until now said a delay would be impossible under the constitution, but the Election Commission has said it could be pushed back and one member has suggested 4 May.
The former Labour prime minister has until now disputed reports that he does not believe Miliband can win in May.
Germany's finance minister, Wolfgang Schäuble, until now even more of a hardliner than his chancellor Angela Merkel, suddenly turned a more conciliatory face towards Athens.
The ex-minister had until now denied a report by investigative website Mediapart that he kept an undeclared Swiss bank account until 2010.
Mr Strauss-Kahn, a former finance minister, has until now been considered a frontrunner to be the Socialist candidate for president in 2012.
The move was a critical turning point for the prime minister, who until now has vehemently ruled out the idea of extending the March 29 deadline when Britain is due to formally leave the EU, severing decades of membership in the body and close political and economic partnership.
Consequently, each new Minister has, until now, employed the HSSMP as the basis for developing the Ministry's work plans.
The Congress leader has already intervened to ban ministers from staying in five-star hotels in the capital and to scale down the security of 50 ministers who, up until now, have been trailed by armed soldiers.
Despite pressure from campaigners and government ministers, Benetton has, until now, held back from contributing to the ILO-backed scheme.
