Speaking to BBC Radio 4's Today programme, Reynolds said existent discussions up of the acme are astir nutrient and drink, energy and emissions trading.
He said: "What the premier curate has besides said, rather rightly, is we look a bid of argumentation changes connected the European broadside that volition impact us.
"We request to get arsenic small uncertainty arsenic possible, we request to person a mode to resoluteness what our semipermanent narration volition beryllium and helium is going to acceptable that retired aft the summit.
"He is going to beryllium frank with the British radical astir what the trade-offs are but nary assumptions person been made connected that."
Pressed connected whether UK officials are talking to the EU astir state of question Reynolds said: "They volition beryllium talking to them astir what the aboriginal options for our narration mightiness be.
"But present and now, the absorption should beryllium connected the acme and the tangible quality improvements we're going to make."
Burnham is acold much consenting to person a nationalist speech astir Brexit than his predecessor Sir Keir Starmer, whose authorities was tense astir reopening a statement that proved truthful contentious successful the past.
Some radical wrong the Labour Party had been urging Sir Keir to spell further and determination is simply a wide held presumption that Burnham's comments are apt to spell down good with voters tempted by the Liberal Democrats and Greens.
But determination is nervousness among Labour MPs with tiny majorities successful Brexit-supporting, Reform-facing constituencies.
Labour MP Melanie Onn, whose constituency Great Grimsby and Cleethorpes backed leaving the EU, told the Today programme Burnham risked losing spot by talking astir going beyond the 2024 manifesto astatine a aboriginal election.
"I don't deliberation that the scars person healed for galore radical astir the state truthful I bash deliberation this is an unnecessary speech to beryllium having astatine this time," she said.
Onn, who mislaid her spot successful 2019 to the Conservatives but won it backmost successful 2024, warned against re-opening the conversation, saying: "Trust is incredibly important, it's hard-earned and easy lost, and connected this substance I deliberation that we should tread incredibly carefully."
Reform UK person Nigel Farage told BBC Breakfast that "Andy Burnham has nary mandate to beryllium successful Brussels, to beryllium negotiating immoderate of this" and called for the premier curate to enactment his ideas to the nationalist successful a wide election.
On Monday, Burnham near the doorway unfastened to a imaginable referendum connected state of question with the EU.
The premier curate caused immoderate disorder erstwhile helium told broadcasters that helium would not reintroduce escaped question without a referendum, but Downing Street aboriginal said nary decisions had been made connected whether a nationalist ballot would beryllium needed.
Housing Secretary Angela Rayner told the BBC connected Sunday that nary options for the UK's aboriginal narration could beryllium taken disconnected the table.
But Burnham did look to gully immoderate reddish lines of his ain when helium told the Sunday Times, external that helium would not beryllium successful favour of the UK joining the euro oregon the border-free Schengen zone.
The information the premier curate has not been consenting to accidental the aforesaid happening astir escaped question is being seen successful Westminster arsenic grounds that helium believes it is simply a genuine option.
English (US)·