CORPORATIONS 987

section referred to in construing sec. 415—see notes thereto. Pub. Serv. Commn, v.
Byron, 153 Md. 471.

The fact that an order of the Commission adopted only one of the various regula-
tions proposed by certain individuals relating to telephone directories did not entitle
them to a judicial review, as the adverse conclusion of the Commission was within the
scope of its lawful authority. Baldwin v. Pub. Serv. Commn., 160 Md. 207.

This section referred to in declining to interfere with permit granted by Public Ser-
vice Commission for bus line from Baltimore to Eastern Shore under secs. 294-310 of
art. 56. Pub. Serv. Commn, v. Williams, 167 Md. 331.

This section referred to in construing art. 56, secs. 311, 312 and 316. Pub. Serv.
Commn, v. Tidewater Exp. Lines, 168 Md. 587.

The court has no authority to determine what would be a reasonable rate for the
service required or to establish rates, but is limited to determining whether the rates
fixed by the commission are unreasonable or unlawful; this section applied. Evidence
held admissible. See notes to secs. 376 and 416. Public Serv. Com. v. N. C. Rwy. Co.,
122 Md. 388.

Cited in construing sec. 349 and secs. 311 and 312 of Art. 56. Public Service Comm.
v. Bakery & Dairy, 176 Md. 193.

See notes to secs. 346 and 381.

An. Code, 1924, sec. 409. 1912, sec. 461. 1910, ch. 180, sec. 47 (p. 390).

420. In all actions and proceedings in court arising under this sub-
title, all processes shall be served and the practice and rules of evidence
shall be the same as in civil actions, except as otherwise herein provided.
Every sheriff or other officer empowered to execute civil processes shall
execute any process issued under the provisions of this sub-title, and shall
receive such compensation therefor as may be prescribed by law for simi-
lar services.

This section referred to in construing sec. 415. Baldwin v. Pub. Serv. Commn.,
160 Md. 204.

See notes to sec. 415.

An. Code, 1924, sec. 410. 1912, sec. 462. 1910, ch. 180, sec. 48 (p. 390).

421. No person shall be excused from testifying or from producing
books, accounts and papers in any proceeding based upon or growing out
of the provisions of this sub-title on the ground or for the reason that the
testimony or evidence, documentary or otherwise, required by him may
tend to incriminate him or subject him to penalty or forfeiture; but no
person having so testified shall be prosecuted or subjected to any penalty
of forfeiture for on or account of any transaction, matter or thing con-
cerning which he may have testified or produced any documentary evi-
dence ; provided, that no person so testifying shall be exempted from prose-
cution or punishment for perjury in so testifying.

An. Code, 1924, sec. 411. 1912, sec. 463. 1910, ch. 180, sec. 49 (p. 390).

422. A substantial compliance with the requirements of this sub-title
shall be sufficient to give effect to all rules, orders, acts and regulations of
the commission, and they shall not be declared inoperative, illegal or void,
for any omission of a technical nature in respect thereto.

Failure of order or opinion to recite finding by commission that proposed construc-
tion of electric light plant was necessary or convenient for the public service, does not
render order invalid. Pub. Serv. Commn, v. Byron, 153 Md. 478.

An. Code, 1924, sec. 412. 1912, sec. 464. 1910, ch. 180, sec. 50 (p. 390).

423. The commission, its agents, experts and inspectors shall, have
power to enter upon any premises occupied by any corporation to which
the provision of this sub-title or any of them are applicable, for the pur-
pose of making the examinations, inspections, valuations and tests con-
templated or provided for in this sub-title, and to set up and use on such