It follows requests for further information from regulatory bodies in the United States, Columbia and Brazil.
Germany, Portugal and South Africa have already granted clearance.
In a statement, Arris said now believes that the closing of the transaction will not occur until late December or the first quarter of 2016.
“While we are disappointed in the potential delay in the timing for completion,” commented Bob Stanzione, Arris Chairman and CEO, “we believe that even if conditions are imposed, the transaction remains in the best interests of the shareholders. Based on our current understanding of the Antitrust Division’s areas of continued focus and given the opportunities for the combined business and the potential synergies, we believe that the non-GAAP EPS accretion ranges for the first 12 months following the combination, previously estimated and disclosed by Arris, continue to remain possible.”
Responding, Pace chairman Allan Leighton commented: “We continue to believe that the combination of the complementary Arris and Pace businesses will create a platform for future growth above and beyond our standalone potential”.
It had been anticipated the deal would close in the fourth quarter of 2015.