If a partner, being, a trustee, improperly employs trust-property in the business or on the account of the partnership, no other partner is liable for the trust-property to the persons beneficially interested therein:
Provided as follows: -
(1) This section shall not affect any liability incurred by any partner by reason of his having notice of a breach of trust; and
(2) Nothing in this section shall prevent trust money from being followed and recovered from the firm if still in its possession or under its control.