In theory, yes
They are obviously 2 entirely different things , paying a deposit or contributing to outgoings. It is difficult to see how one can be confused about the difference and genuinely mistake one for the other.
However , judges are very reluctant to find that a party has lied even when faced with an obvious example and much for likely to accept it was an honest mistake.
As such the answer is that it should be perjury but I really cannot see a judge finding it so.
If there are any further points please reply I will be happy to respond.
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