Newcastle United manager Eddie Howe has had no reassurances about his team's ability to spend in January.
While the Magpies are owned by the Saudi Arabian Public Investment Fund, finances are tight.
Financial Fair Play means the club cannot spend lavishly on signings without showing increased revenue.
On spending, Howe stated: No, we haven't had those assurances. I think it's a difficult month, as we always say when January comes around.
It's a very difficult month to bring in quality players.
Financial Fair Play continues to play a part in our decision-making so let's wait and see."
Howe added: We have gone out of two competitions and the players have had to respond to difficult moments. The last two results have hurt us the most and performances have not been what we want them to be. We have to stand up and be strong.
There are two ways of looking at January for me: it's an amazing month of big games, and it is a brilliant opportunity to fight back and show our qualities.
This season is tough in a different way. That doesn't mean you can't be successful and you can't achieve what you want to. We've had a few knocks, this month in particular has been difficult to take. Things have just gone against us and I'm talking about Europe and the Carabao Cup.
It's your ability to bounce back and show you are strong enough and resilient enough to take those knocks and go again. That's where we are now. Let the dust settle, we've got no time to wait, this month is a big one for us."