Hello po! I hope this helps:
How to Apply to UPOU Undergraduate Programs
Step 1. Obtain an application for admission form from one of the following:
Downloadable Forms
UPOU Learning Center
The Office of the University Registrar
Step 2. Fill-out correctly and completely the application form. If you are a former UP student, indicate your student number in the form.
Step 3. Prepare the other application documents. See list below:
a. High School Form 137 with school’s dry seal if you are a graduating high school student, or high school graduate applicant, or Philippine Educational Placement Test (PEPT)
OR An official and original Transcript of Records (TOR) indicating date cleared by the concerned UP Unit, if you are a former UP student
OR An official TOR from the last school/college/university attended, if you are a former college student of another higher education institution
Note: An official TOR should have valid remarks. Please see Attachment A for the list of remarks that will make a TOR valid as a transfer credential.
b. Two identical 2” x 2” photos and two identical 1” x 1” photos, with your complete name and the program applied for printed at the back of the photos.
Note: These photos should be similar to the photo attached to your application form.
Step 4. Pay the application fee of PhP350.00 for applicants living in the Philippines. See payment options and procedure for local applicants.
Pay the application fee of USD 75.00 for applicants living outside the Philippines. See payment options and procedure for offshore applicants.
Step 5. Submit directly to the Office of the University Registrar.
Mail or bring your accomplished application form together with the other documents and proof of payment on or before the deadline to:
The Admissions Section
Office of the University Registrar
UP Open University
Los Baños, Laguna 4031
Philippines
Step 6. If applicable, take the undergraduate admission test. The OUR will send details of the examination together with the examination permit.
Step 7. Wait for the results of your application. You will know the results of your application through the following:
• A mailed notice from the Office of the University Registrar
• An email notice from the Office of the University Registrar
• An announcement on the UPOU website
Note: In case there is a discrepancy between the posted list and application notice, applicants are requested to verify their application results with the Office of the University Registrar. Application results will be released two weeks before the registration period of each term. If you have not received your result by this time, contact the Admission Section of the Office of the University Registrar.
SOURCE:
http://www2.upou.edu.ph/index.php?option=com_content&view=article&id=88%3Ahow-to-apply-to-upou-undergraduate-programs&catid=7&Itemid=21 
