ePolitix.com reports on Thursday's questions about future Commons business, where the Conservatives asked about plans for the Postal Services Bill.
Shadow Commons leader Alan Duncan said Harriet Harman's handling of House business had been a "tad shambolic".
During questions on future Commons business, Duncan asked the Commons leader about the "mysterious whereabouts" of the Postal Services Bill.
He called for confirmation of the position of the Bill, for which no date had been set for the second reading "with only 16 sitting days left before the summer recess".
Duncan asked: "Is this Bill going to be delivered from the upper House, or as I have heard MPs say, has it been permanently lost in the post?"
Harman responded that the Bill had not been in announced in forthcoming business because of the time being allocated for the parliamentary standards legislation.
Later, Dennis Skinner (Lab, Bolsover) asked whether the "absence of the Post Office Bill" is because the government had been listening to the House.
He suggested the delay was "because the ministers have found strength having listened to scores, indeed hundreds, of Labour MPs to make sure that the part-privatisation of Royal Mail is not going ahead".
Ken Purchase (Lab, Wolverhampton North East) highlighted a report by Consumer Focus revealing energy companies had not passed on savings from falling wholesale prices to their customers.
Purchase said companies had been accused of "grossly overcharging" customers, and urged ministers to develop a strategy to intervene should companies not pass on cuts by December.
He backed government intervention "in order that people in this country are not overcharged for what should rightfully be a price set by a regulator that should be true and fair and proper".
In response the Commons leader said the issue was of importance for industry and business as well as the public.
She stated: "I will discuss with the minister what the best way is to keep the House updated on government action in this important respect."
Later Alan Reid (Lib Dem, Argyll and Bute) backed the calls and said the issue must be investigated, with a statement from the energy minster.
"Can we make sure that the energy companies are forced to pass every penny of the decline in wholesale prices onto the consumer?" he asked.
Harman responded that the issue will be passed on to ministers.
Ann Widdecombe (Con, Maidstone and the Weald) criticised the removal of the de minimis rules in the Commons register of members' interests, as included in the Parliamentary Standards Bill.
Widdecombe said bunches of flowers received by female MPs would have to be registered.
"I suggest that will mean that not only will my entry in the register but that of several female members have more petals than the average botanical gardens," she said.
Harman responded that receiving flowers is a donation "rather than payment for services".
Sir George Young (Con, Hampshire North West) joined the criticism of the new rules relating to outside interests, warning they would be "virtually unworkable".
The Commons leader insisted that the guidance will be workable, with "no intention to have an unworkable system".
"Obviously we will make sure we work closely with the registrar of financial interests to make sure they are being understood correctly by members," Harman added.
Ann Cryer (Lab, Keighley) urged a debate to celebrate the qualities and work of MPs following the "witch hunt" over expenses.
"I know it started off as a legitimate form of investigative journalism which I have no problems with at all," she explained.
"But I think it's descended into a witch hunt and I think it's hiding from our constituents the very good work that many of us are actually doing or trying to do."
Harman said that the only way to address the "genuine public anger" is to ensure that MPs put the expenses system on a "wholly independent footing".
