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LAWS OF MARYLAND

[Ch. 49

assignee unless the account debtor has otherwise agreed
but the assignee acquires corresponding rights under the
modified or substituted contract. The assignment may
provide that such modification or substitution is a
breach by the assignor.

(3)   The account debtor is authorized to pay the
assignor until the account debtor receives notification
that the account has been assigned and that payment is to
be made to the assignee. A notification which does not
reasonably identify the rights assigned is ineffective.
If requested by the account debtor, the assignee must
seasonably furnish reasonable proof that the assignment
has been made and unless he does so the account debtor
may pay the assignor.

(4)    A term in any contract between an account
debtor and an assignor which prohibits assignment of an
account or contract right to which they are parties is
ineffective.

SUBTITLE 4. FILING.

9—401. Place of filing; erroneous filing; removal of
collateral.

(1) The proper place to file in order to perfect a
security interest is as follows:

(a)   When the collateral is equipment used in
farming operations, or farm products, or accounts,
contract rights or general intangibles arising from or
relating to the sale of farm products by a farmer, or
consumer goods, then in the office of the cleric of the
circuit court in the county of the debtor's residence or
with the clerk of the Superior Court of Baltimore City if
the debtor resides in Baltimore City or if the debtor is
not a resident of this State then in the office of the
clerk of the circuit court in the county where the goods
are kept or with the clerk of the Superior Court of
Baltimore City if the goods are kept in Baltimore City,
and in addition when the collateral is crops in the
office of the clerk of the circuit court in the county
where the land on which the crops are growing or to be
grown is located or with the clerk of the Superior Court
of Baltimore City if the land is located in Baltimore
City;

(b)   When the collateral is goods which at the
time the security interest attaches are or are to become
fixtures, then in the office where a mortgage on the real
estate concerned would be filed or recorded;

(c)    In all other cases, in the office of the