sentences:  The National Council did not require the Assembly to vote on the bill again.On 28 April, the union of migrant workers SDMS filed a motion, with required 2,500 signatures, in order to be allowed to proceed with the petition for referendum.However, on 5 May, the Speaker of the National Assembly Milan Brglez refused to set a thirty-five-day deadline during which the proposers could collect 40,000 valid signatures to force the referendum, arguing that this and several other SDMS referendum initiatives constitutes an abuse of the referendum laws.