Versions of s. 166(d)

where a substitute is engaged in the place of a seaman who signed the agreement and whose services are within twenty-four hours of the ship’s putting to sea lost by death, desertion or other unforeseen cause, the engagement shall, when practicable, be made before a shipping master, and, when not practicable, the master shall, before the ship puts to sea, if practicable, and if not, as soon after as possible cause the agreement to be read over and explained to the substitute, and the substitute shall thereupon sign the agreement in the presence of a witness, and the witness shall attest the signature;