Stopping child benefit distribution at post office counters will 'smash communities', according to North Douglas MHK John Houghton.
He's set to ask Social Care Minister Chris Robertshaw about the matter in the House of Keys next week.
Mr Houghton is also critical of the move to have the benefit paid straight into people's bank accounts, with seemingly no other payment option.
He says it could deny them the chance to get their hands on the cash when they want it:
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Tynwald backs chief minister's new minimum wage approach
Rate to be set at £12.86 from April
The public deserves far better than the dysfunctional shambles it's seeing
Political commentator reflects on ministerial reshuffle
Regular meetings needed, says hospitality industry
Sector figure urging new Treasury Minister to 'get involved in the real world'
Manx Labour Party rebukes chief's 'shrill voices of socialism' comment
A week on from one war of words, there's been a further squabble in the Island's parliament
Two of today's sailings cancelled
1.45pm and 7.15pm departures both called off