In downstream oil and gas, LPG: a marking of LPG cylinders with water capacity of less than or equal to one (1) liter and LPG cartridges such as stenciling by using ink or paint, or labelling through other suitable methods. This marking may be modified but shall remain legible for a limited period [Section 4(n), LPG Industry Regulation Act of 2021; Section 3.1(o) of DOE-DTI Joint Department Circular No. JDC2022-05-001, Rules and Regulations Implementing Republic Act No. 11592]
In downstream oil & gas, LPG: a marking of LPG cylinders with water capacity of less than or equal to one (1) liter and LPG cartridges such as stenciling by using ink or paint or labelling through other suitable methods. This marking may be modified but shall remain legible for a limited period [Section 3.1(p), DOE Department Circular No. DC2022-11-0037, Guidelines on the Registration and Issuance of License to Operate to Qualified DOE-Regulated LPG Industry Participants and Penalizing Certain Prohibited Acts]
Note: Under DOE Department Circular No. DC2022-11-0037, the term is written as “Double Marking”.