"The UK government's position is that (GSP Plus renewal) is a technical exercise," Hayes said.
"The GSP Plus regulations require compliance with 27 regulations and the process of assessing whether they are being complied with.
"So we hope Sri Lanka is successful. We hope the government will provide the information, the evidence necessary to show that it is meeting those regulations."
Sri Lanka has to comply with international conventions on labour and human rights to ensure compliance with the GSP Plus rules.
Media minister Lakshman Yapa Abeywardane told a news conference that the government has not taken a decision to block any investigation by EU authorities into Sri Lanka's compliance with GSP Plus conditions.
He was reacting to news reports that Presiden