A number of members of Congress, notably Democrats going through troublesome re-election races, have clamored in current days for Mr. Biden to invoke the regulation to ease the components scarcity. It was not clear how rapidly the influence can be felt.

A White Home official, talking on the situation of anonymity and with out authorization to touch upon the plan, stated it may take time for corporations to utilize the Protection Division’s supply to ship components. However the official added that Mr. Biden was decided to do something he may to shave even just a few days off the manufacture and distribution of components.

The White Home provided particulars on the hassle because it confronted aggressive questioning by Congress. In current days, lawmakers have introduced plans to haul administration and business officers to Capitol Hill for testimony, demanded solutions from Mr. Biden’s group on how the scarcity was allowed to develop, and launched investigations into the disaster and Abbott Vitamin, the corporate that recalled a number of of its components merchandise after at the least two infants died.

On Wednesday night, the Home was anticipated to approve bipartisan laws that will grant the federal authorities emergency authority to broaden the kinds of components that may be bought with advantages from the Particular Supplemental Vitamin Program for Ladies, Infants and Kids, generally known as WIC. About half the components offered in the USA is bought with WIC advantages, and the laws goals to make sure that these advantages can be utilized to purchase no matter components is on the market.

However the proposal to difficulty emergency cash for the F.D.A. was prone to face a tougher highway amid opposition from Republicans, who stated it was a clean test for an company that had failed to forestall a significant disaster.

In a discover despatched to rank-and-file lawmakers, Republican leaders charged that Democrats had deserted bipartisan talks and as a substitute put ahead laws “with no plan to really repair the issue, all whereas failing to carry the F.D.A. accountable.”

The WIC measure, in contrast, was anticipated to attract broad help.

“I do know what it means to not be capable to stretch out milk for all the month,” Consultant Jahana Hayes, Democrat of Connecticut and a sponsor of the invoice, stated this week. Ms. Hayes, who stated she had used WIC advantages to buy components added, “with all the pieces occurring proper now, the very last thing a household ought to have to fret about is feeding their kids.”