604 LAWS OF MARYLAND. [CH. 220

soon as possible after June 1, 1929, and from time to time
thereafter to prepare and issue bulletins giving the location,
rating and a short description of all approved airports and
landing fields within the State of Maryland.

23. Pending promulgation of all rules and regulations for
airports and landing fields by the State Aviation Commission,
it shall be unlawful to operate aircraft regularly for the pur-
pose of carrying passengers for hire from any airport or
landing field, which has not been rated D5x or better by the
Department of Commerce, provided, however, if a field does
not hold a rating of D5x or better and has not been refused
such a rating, it shall be lawful to carry passengers tempo-
rarily out of such a field upon proof that an application has
already been made to the Department of Commerce or to the
State Aviation Commission, for a rating.

24. The State Aviation Commission is authorized in the
name of the State of Maryland to enforce the provisions of
this sub-title by injunction.

SEC. 2. And be it further enacted, That this Act shall
take effect June 1, 1929.

Approved April 2, 1929.

CHAPTER 220.

AN ACT to authorize the Mayor and City Council of Balti-
more to issue additional stock or certificates of indebtedness
of said corporation to an amount not exceeding Two Mil-
lion Five Hundred Thousand Dollars ($2, 500, 000. 00), for
the purpose of establishing, extending, enlarging, and de-
veloping a public airport to accomodate land and sea planes
and for other port purposes; to authorize the Mayor and
City Council of Baltimore for said purposes to acquire by
purchase or condemnation land and other property and any
interest therein or appurtenant thereto, within or with-
out the City of Baltimore (in no event, however, to be
situate more than three miles beyond the present corporate
limits of the City of Baltimore); to authorize the Mayor
and City Council of Baltimore to improve, extend and de-