[1] Republic Act 10351 (An Act Restructuring the Excise Tax on Alcohol and Tobacco Products by Amending Sections 141, 142, 143, 144, 145,8, 131 And 288 of Republic Act No. 8424, otherwise known as the National Internal Revenue Code Of 1997, as Amended By Republic Act No. 9334, and for Other Purposes)
[2] Republic Act 10963 (An Act Restructuring Amending Sections 5, 6, 24, 25, 27, 31, 32, 33, 34, 51, 52, 56, 57, 58, 74, 79, 84, 86, 90, 91, 97, 99, 100, 101, 106, 107, 108, 109, 110, 112, 114, 116, 127, 128, 129, 145, 148, 149, 151, 155, 171, 174, 175, 177, 178, 179, 180, 181, 182, 183, 186, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 232, 236, 237, 249, 254, 264, 269, And 288 of Republic Act No. 8424, otherwise known as the National Internal Revenue Code of 1997, as Amended, and for other Purposes)
[3] Republic Act 11346 (An Act Increasing the Excise Tax on Tobacco Products, Imposing Excise Tax on Heated Tobacco Products and Vapor Products, Increasing the Penalties for Violations of Provisions on Articles Subject to Excise Tax, and Earmarking a Portion of the Total Excise Tax Collection From Sugar-Sweetened Beverages, Alcohol, Tobacco, Heated Tobacco and Vapor Products For Universal Health Care, Amending for this Purpose Sections 144, 145, 146, 147, 152, 164, 260, 262, 263, 265, 288, AND 289, Repealing Section 288(B) AND 288(C), and Creating New Sections 263-A, 265-B, and 288-A of the National Internal Revenue Code of 1997, as amended by Republic Act No. 10963, and for other Purposes)
[4] Government of the Philippines. (2019) Ocial Gazette: RA 11346 and RA 11467. Retrieved from https://www.ocialgazette.gov.ph/2019/07/25/republic-act-no-11346/ and https://www.ocialgazette.gov.ph/2020/01/22/republic-act-no-11467/
[5] Section 164 of National Internal Revenue Code (NIRC)
[6] National Tobacco Administration (http://nta.da.gov.ph/services_charter.html)
[7] in accordance with Bureau of Internal Revenue (BIR) Revenue Regulations No. 17-2012, Section 7 (Submission of Sworn Statement).
[8] Cigarette packs intended for export are no longer required to be affixed with tax stamps based on Revenue Regulations (RR) No. 9-2015, which amended the provisions of Revenue Regulations No. 7- 2014
[9] Bongbong Marcos on ‘gotcha’ picture: Philip Morris offered data by: Carmela Fonbuena, Rappler.com, November 27, 202. http://www.rappler.com/nation/16819-bongbong-marcos-on-gotcha-picture-philip-morris-offered-data.
[10] WHO FCTC Article 5.3 Guidelines Best Practices: Philippines, Southeast Asia Tobacco Control Alliance, March 2015. http://seatca.org/dmdocuments/CSC-PHL%20best%20practice_WCTOH2015_R.pdf