Here is a typical list of requirements for crew oxygen systems:
TABLE 1 – CERTIFICATION REQUIREMENTS

Requirement
Summary
25.611
Accessibility provisions
25X899(a) JAR
Protect the aeroplane, including its systems and equipment, against dangerous effects of lightning discharges;
25.869(c)
Establishes the requirements and conditions for fire protection provisions for oxygen systems.
25.1301(a)-(c)
Function and Installation
25.1309(a) FAR/RBHA, 25.1309(a) JAR, 25.1309(c)
Equipment, systems and installations
25.1316(a)
Requires special protection for functions that, if exposed to a lightning effects, may prevent the continued safe flight and landing of the airplane.
25.1322(a)-(d)
Warning, caution and advisory lights
25.1357 (a),(c),(e)
Circuit protective devices
25.1439
Protective breathing equipment
25.1439(a) JAR, 25.1439(a) FAR/RBHA
Protective breathing equipment must be installed for use of appropriate crew members.
25.1439(b)(1)
The equipment must be designed to protect the flight crew from smoke, carbon dioxide, and other harmful gases while on flight deck duty and while combating fires in cargo compartments.
25.1439(b)(2)
The equipment must include-
(i) Masks covering the eyes, nose, and mouth; or
(ii) Masks covering the nose and mouth, plus accessory equipment to cover the eyes.
25.1439(b)(3) FAR/RBHA, 25.1439(b)(3) JAR
The equipment, while in use, must allow the flight crew to use the radio equipment and to communicate with each other, while at their assigned duty stations.
25.1439(b)(4)
The part of the equipment protecting the eyes may not cause any appreciable adverse effect on vision and must allow corrective glasses to be worn.
25.1439(b)(5) FAR/RBHA, 25.1439(b)(5) JAR
Supply protective oxygen of 15 minutes duration at a pressure altitude of 8000 ft with a respiratory minute volume of 30 litres per minute BTPD.
25.1439(b)(6)
The equipment must meet the requirements of paragraphs (b) and (c) of § 25.1441.
25.1441(c)-(d)
Oxygen equipment and supply
25.1443(b)
Minimum mass flow of supplemental oxygen for each crew member (Pressure- Demand mask)
25.1445(a)(1) FAR/RHBA, 251445(a)(1)-(a)(3) JAR
Equipment standards for oxygen distributing systems for crewmembers;
25.1447(a)-(b), 25.1447 (c)(3) FAR/RBHA
Oxygen dispensing units
25.1449
Means for determining use of oxygen.
25.1453(a)-(b) FAR/RHBA
Protection of equipment from rupture
25.1453(b) JAR
Oxygen pressure sources and pipe lines between the sources and shut-off means must be protected from unsafe temperatures and located where the probability and hazard of rupture in a crash landing are minimised
25X1524 JAR
All limitations applicable to functional equipment and systems installations, and which are considered necessary for safe operation, must be established.
25.1541(a)-(b)
Placards and markings.
25.1543(b)
Establishes that each instrument marking must be clearly visible to the appropriate crewmember.
91.211(a)-(b)
Establishes Supplemental Oxygen for Sustenance
121.329 (b)
Establishes Supplemental Oxygen for Sustenance for crewmembers
121.333(b)-(c)
Establishes Supplemental Oxygen for Emergency Descent and for First Aid.
121.335
Equipment standards
121.337(a)(b)
Establishes requirements for the use of Protective Breathing Equipment (PBE).
JAR OPS-1770
Supplemental Oxygen- pressurized airplanes
JAR OPS-1780
Protective Breathing Equipment.
and a couple more:
TSO-C78
TSO-C89
TSO-C99
So to answer your question. YES!